CA2733487A1 - Insulating system for hot and cold beverages - Google Patents
Insulating system for hot and cold beverages Download PDFInfo
- Publication number
- CA2733487A1 CA2733487A1 CA 2733487 CA2733487A CA2733487A1 CA 2733487 A1 CA2733487 A1 CA 2733487A1 CA 2733487 CA2733487 CA 2733487 CA 2733487 A CA2733487 A CA 2733487A CA 2733487 A1 CA2733487 A1 CA 2733487A1
- Authority
- CA
- Canada
- Prior art keywords
- vessel
- container
- hot
- upper rim
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
- 235000020965 cold beverage Nutrition 0.000 title abstract description 17
- 235000012171 hot beverage Nutrition 0.000 title abstract description 17
- 239000012530 fluid Substances 0.000 claims abstract description 28
- -1 poly(potassium acrylate) Polymers 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 14
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 claims description 10
- 235000013361 beverage Nutrition 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 7
- 239000011780 sodium chloride Substances 0.000 claims description 7
- 235000010323 ascorbic acid Nutrition 0.000 claims description 5
- 229960005070 ascorbic acid Drugs 0.000 claims description 5
- 239000011668 ascorbic acid Substances 0.000 claims description 5
- 229920000642 polymer Polymers 0.000 claims description 5
- 238000007710 freezing Methods 0.000 claims description 4
- 230000008014 freezing Effects 0.000 claims description 4
- 239000003755 preservative agent Substances 0.000 claims description 3
- 230000002335 preservative effect Effects 0.000 claims description 3
- 239000007788 liquid Substances 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 239000004599 antimicrobial Substances 0.000 description 3
- 239000013529 heat transfer fluid Substances 0.000 description 3
- 239000011810 insulating material Substances 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 231100000252 nontoxic Toxicity 0.000 description 2
- 230000003000 nontoxic effect Effects 0.000 description 2
- 239000003440 toxic substance Substances 0.000 description 2
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000000845 anti-microbial effect Effects 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- WXMKPNITSTVMEF-UHFFFAOYSA-M sodium benzoate Chemical compound [Na+].[O-]C(=O)C1=CC=CC=C1 WXMKPNITSTVMEF-UHFFFAOYSA-M 0.000 description 1
- 239000004299 sodium benzoate Substances 0.000 description 1
- 235000010234 sodium benzoate Nutrition 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
- C09K5/08—Materials not undergoing a change of physical state when used
- C09K5/10—Liquid materials
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47G—HOUSEHOLD OR TABLE EQUIPMENT
- A47G19/00—Table service
- A47G19/22—Drinking vessels or saucers used for table service
- A47G19/2288—Drinking vessels or saucers used for table service with means for keeping liquid cool or hot
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Thermal Sciences (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Packages (AREA)
Abstract
An insulated container containing insulating fluids that reduce heat transfer from hot or cold beverages, particularly well-suited for use in connection with both hot and cold beverages, to maintain the liquid either hot or cold.
Description
INSULATING SYSTEM FOR HOT AND COLD BEVERAGES
Field of the Invention The present invention relates to insulated containers containing insulating fluids that reduce heat transfer from hot or cold beverages.
Background of the Invention Insulated mugs, glasses, cups and other containers that are adapted to insulate a hot beverage in order reduce heat loss and maintain the temperature of the beverage are well known. Typically, these containers are insulated with a material that is well-suited to reducing heat transfer from the hot beverage. The insulating material is often disposed in a space provided between an outer wall and an inner wall of the container.
Some insulated containers can even be microwaved such that the insulating material, and therefore the container itself, can actually be heated. In this way, the heat transfer from the hot beverage to the environment can be reduced, such that the beverage remains warm over a longer period of time.
Vacuum flasks (such as a Thermos ), which have a vacuum chamber disposed between inner and outer walls of the container, are also known which reduce the rate of heat transfer between the ambient environment and the beverage.
Insulated containers are specifically contemplated for holding cold beverages.
Such containers can include a heat transfer fluid that is disposed between inner and outer walls of the container. In some instances, the heat transfer fluid can be cooled to a temperature below the freezing point of water when placed in a freezer or other similar apparatus. In this way, when the container is used to hold a cold beverage the heat transfer fluid can absorb heat from the ambient environment and reduce heat transfer from the ambient environment to the cold beverage, keeping the beverage cooler for a longer period.
Insulating fluids of the prior art in general, including US 5,876,629 to Yao-Ming, describe a mixture of water and a water absorptive polysodium acrilate in a ratio of 13:1 (cc:g), together with using calcium chloride as a freeze resistance substance and sodium benzoate as a preservative/antiseptic agent. However, as clearly described, in Yao-Ming, the fluid is used for cooling mugs only, not suitable for heating and maintaining hot liquids.
There is a distinct lack of containers that are insulated with a material well-suited for reducing heat transfer from a hot beverage and reducing heat absorption by a cold beverage. Accordingly, there is need for a container having an insulative fluid that is well-suited for keeping both cold beverages cool and hot beverages warm.
Summary of the Invention The present application provides a container system and an insulative fluid that is well-suited for use with both hot and cold beverages.
In at least one embodiment, the present application provides a container for reducing heat transfer from and to a beverage, the container having an outer vessel having an upper rim defining an open end, the outer vessel having an inner surface and an outer surface; an inner cavity having an upper rim defining an open end, the inner cavity having an inner surface and an outer surface, the inner cavity suspended within the outer vessel and adapted to receive beverages therein, the upper rim of the inner cavity being integrally joined to the upper rim of the outer vessel, the outer surface of the inner cavity and the inner surface of the outer vessel defining a sealed chamber therebetween; and an insulative fluid substantially filling the sealed chamber, the insulative fluid formed from a mixture of water and a water absorptive poly(potassium acrylate) polymer in the approximate ratio of 50:1 (cc:g).
Field of the Invention The present invention relates to insulated containers containing insulating fluids that reduce heat transfer from hot or cold beverages.
Background of the Invention Insulated mugs, glasses, cups and other containers that are adapted to insulate a hot beverage in order reduce heat loss and maintain the temperature of the beverage are well known. Typically, these containers are insulated with a material that is well-suited to reducing heat transfer from the hot beverage. The insulating material is often disposed in a space provided between an outer wall and an inner wall of the container.
Some insulated containers can even be microwaved such that the insulating material, and therefore the container itself, can actually be heated. In this way, the heat transfer from the hot beverage to the environment can be reduced, such that the beverage remains warm over a longer period of time.
Vacuum flasks (such as a Thermos ), which have a vacuum chamber disposed between inner and outer walls of the container, are also known which reduce the rate of heat transfer between the ambient environment and the beverage.
Insulated containers are specifically contemplated for holding cold beverages.
Such containers can include a heat transfer fluid that is disposed between inner and outer walls of the container. In some instances, the heat transfer fluid can be cooled to a temperature below the freezing point of water when placed in a freezer or other similar apparatus. In this way, when the container is used to hold a cold beverage the heat transfer fluid can absorb heat from the ambient environment and reduce heat transfer from the ambient environment to the cold beverage, keeping the beverage cooler for a longer period.
Insulating fluids of the prior art in general, including US 5,876,629 to Yao-Ming, describe a mixture of water and a water absorptive polysodium acrilate in a ratio of 13:1 (cc:g), together with using calcium chloride as a freeze resistance substance and sodium benzoate as a preservative/antiseptic agent. However, as clearly described, in Yao-Ming, the fluid is used for cooling mugs only, not suitable for heating and maintaining hot liquids.
There is a distinct lack of containers that are insulated with a material well-suited for reducing heat transfer from a hot beverage and reducing heat absorption by a cold beverage. Accordingly, there is need for a container having an insulative fluid that is well-suited for keeping both cold beverages cool and hot beverages warm.
Summary of the Invention The present application provides a container system and an insulative fluid that is well-suited for use with both hot and cold beverages.
In at least one embodiment, the present application provides a container for reducing heat transfer from and to a beverage, the container having an outer vessel having an upper rim defining an open end, the outer vessel having an inner surface and an outer surface; an inner cavity having an upper rim defining an open end, the inner cavity having an inner surface and an outer surface, the inner cavity suspended within the outer vessel and adapted to receive beverages therein, the upper rim of the inner cavity being integrally joined to the upper rim of the outer vessel, the outer surface of the inner cavity and the inner surface of the outer vessel defining a sealed chamber therebetween; and an insulative fluid substantially filling the sealed chamber, the insulative fluid formed from a mixture of water and a water absorptive poly(potassium acrylate) polymer in the approximate ratio of 50:1 (cc:g).
Brief description of the Drawings Figure 1 shows a perspective view of the outer vessel and juxtaposed inner vessel.
Figure 2 shows the inner vessel.
Figure 3 shows longitudinal CUT A from Figure 1.
Detailed Description of the Invention The present application provides an insulative fluid that is particularly well-suited for use in connection with both hot and cold beverages, to maintain the liquid either hot or cold.
More specifically, the present application provides a container filled with an insulative fluid that can be heated or cooled and that reduces heat transfer from a hot or cold beverage. For the purposes of the present disclosure, reducing heat transfer will be understood to mean reducing heat transfer from a hot beverage to the external environment and reducing heat transfer from the external environment to a cold beverage.
Figure 1 shows a preferred embodiment, having an outer vessel (1) which includes a base (2) and an upper rim (3), the upper rim defining an open end (4a). The outer vessel has an inner surface (5) and also an outer surface (6).
In Figure 2, the inner vessel can be seen. The inner vessel (7) has an upper rim (8) defining an open end (4b), which will be juxtaposed with open end (4a) of the outer vessel. The inner vessel also has an inner surface (9) and an outer surface (10).
In Figure 3, the CUT A from Figure 1 is shown, where the inner vessel is shown juxtaposed and coupled or suspended within the outer vessel. In this coupling of the inner and outer vessels the upper rim (8) of the inner vessel (7) is integrally joined to the upper rim (3) of the outer vessel (1). After the coupling the outer surface (10) of the inner vessel and the inner surface (5) of the outer vessel define a sealed chamber (20) therebetween. The sealed chamber is then substantially filled with the insulative fluid (21), which is particularly well-suited for use in connection with both hot and cold beverages.
The coupled outer (1) and inner (7) vessels with the sealed chamber (20) filled with the insulative fluid (21), which is particularly well-suited for use in connection with both hot and cold beverages is then adapted and will allow the container to receive beverages therein. The beverage will be maintained either hot or cold.
The insulative fluid of the present application can be manufactured in any colour as will be appreciated by the skilled person in the art. The insulated containers of the present application can be microwaved such that the insulating material, and therefore the container itself, can be heated and maintain o hot beverage hot.
In at least one embodiment, the present application provides an insulative fluid is provided that contains at least poly(potassium acrylate). Poly(potassium acrylate) is a polymer with the chemical formula (C3H3KO2)รต and particularly adept at absorbing water.
In at least one embodiment , an insulative fluid is provided wherein the poly(potassium acrylate) is mixed with water in the ratio of 50 cubic centimeters of water in solution with I gram of poly(potassium acrylate). In this way, an insulative fluid can be produced in a very cost effective manner as very little polymer is utilized in the final mixture in comparison to prior art solutions.
In at least one embodiment, the present application provides an insulative fluid that further contains sodium chloride. Sodium chloride is well-known and has the chemical formula NaCl. As discussed above, the present insulative fluid is water based.
Accordingly, and as will be understood by the skilled person, sodium chloride is included to raise the freezing point of the insulative fluid, such that the insulative fluid can be lowered to a temperature below the freezing point of water without solidifying.
Figure 2 shows the inner vessel.
Figure 3 shows longitudinal CUT A from Figure 1.
Detailed Description of the Invention The present application provides an insulative fluid that is particularly well-suited for use in connection with both hot and cold beverages, to maintain the liquid either hot or cold.
More specifically, the present application provides a container filled with an insulative fluid that can be heated or cooled and that reduces heat transfer from a hot or cold beverage. For the purposes of the present disclosure, reducing heat transfer will be understood to mean reducing heat transfer from a hot beverage to the external environment and reducing heat transfer from the external environment to a cold beverage.
Figure 1 shows a preferred embodiment, having an outer vessel (1) which includes a base (2) and an upper rim (3), the upper rim defining an open end (4a). The outer vessel has an inner surface (5) and also an outer surface (6).
In Figure 2, the inner vessel can be seen. The inner vessel (7) has an upper rim (8) defining an open end (4b), which will be juxtaposed with open end (4a) of the outer vessel. The inner vessel also has an inner surface (9) and an outer surface (10).
In Figure 3, the CUT A from Figure 1 is shown, where the inner vessel is shown juxtaposed and coupled or suspended within the outer vessel. In this coupling of the inner and outer vessels the upper rim (8) of the inner vessel (7) is integrally joined to the upper rim (3) of the outer vessel (1). After the coupling the outer surface (10) of the inner vessel and the inner surface (5) of the outer vessel define a sealed chamber (20) therebetween. The sealed chamber is then substantially filled with the insulative fluid (21), which is particularly well-suited for use in connection with both hot and cold beverages.
The coupled outer (1) and inner (7) vessels with the sealed chamber (20) filled with the insulative fluid (21), which is particularly well-suited for use in connection with both hot and cold beverages is then adapted and will allow the container to receive beverages therein. The beverage will be maintained either hot or cold.
The insulative fluid of the present application can be manufactured in any colour as will be appreciated by the skilled person in the art. The insulated containers of the present application can be microwaved such that the insulating material, and therefore the container itself, can be heated and maintain o hot beverage hot.
In at least one embodiment, the present application provides an insulative fluid is provided that contains at least poly(potassium acrylate). Poly(potassium acrylate) is a polymer with the chemical formula (C3H3KO2)รต and particularly adept at absorbing water.
In at least one embodiment , an insulative fluid is provided wherein the poly(potassium acrylate) is mixed with water in the ratio of 50 cubic centimeters of water in solution with I gram of poly(potassium acrylate). In this way, an insulative fluid can be produced in a very cost effective manner as very little polymer is utilized in the final mixture in comparison to prior art solutions.
In at least one embodiment, the present application provides an insulative fluid that further contains sodium chloride. Sodium chloride is well-known and has the chemical formula NaCl. As discussed above, the present insulative fluid is water based.
Accordingly, and as will be understood by the skilled person, sodium chloride is included to raise the freezing point of the insulative fluid, such that the insulative fluid can be lowered to a temperature below the freezing point of water without solidifying.
Further, when dissolved in water sodium chloride also provides antimicrobial properties.
Accordingly, sodium chloride is particularly well suited for use as an antimicrobial agent in food-grade containers as it is a naturally occuring non-toxic compound.
In at least one embodiment, the present application provides an insulative fluid is provided that further contains ascorbic acid.
Ascorbic acid is a sugar acid with antioxidant properties and has the chemical formula C6F1806. Ascorbic Acid is a well known preservative and is contemplated for use in connection with the present application to provide an insulative fluid that is resistant to microbial growth. Ascorbic acid is particularly well suited for use as an antimicrobial agent in food-grade containers as it is a naturally occurring non-toxic compound.
In at least one embodiment, an insulative fluid is provided wherein the poly(potassium acrylate) is mixed with water in the ratio of 50 cubic centimeters of water in solution with I gram of poly(potassium acrylate). Using I gram of ingredient over 50 CC of water has a distinctive advantage of using less ingredient to yield higher volume, save production cost As will be recognized by the skilled person, there are a wide variety of containers known in the prior art that will be suitable for use in connection with the present application. In at least one embodiment, a suitable container will have an outer vessel having an upper rim defining an open end and an inner cavity having an upper rim defining an open end.
The inner cavity is suspended within the outer vessel, and accordingly the inner cavity is sized slightly smaller than the outer vessel. The inner vessel is contemplated to hold a hot or cold beverage.
In this embodiment, the upper rim of the outer vessel is joined to the upper rim of the inner cavity. A sealed chamber is disposed between an outer surface of the inner cavity and an inner surface of the outer vessel. The sealed chamber is substantially filled with one of the embodiments of the insulative fluids described herein.
A suitable container can be constructed of any material that is compatible (i.e. non-reactive) with the disclosed insulative fluids, as will be understood by the skilled person, including but not limited to various plastics and stainless steel. A suitable container may or may not include a handle formed of a suitable material.
The above-described embodiments of the present application are meant to be illustrative of preferred embodiments of the present application and are not intended to limit the scope of the present application. Various modifications, which would be readily apparent to one skilled in the art, are intended to be within the scope of the present application.
The only limitations to the scope of the present application are set out in the following appended claims.
Accordingly, sodium chloride is particularly well suited for use as an antimicrobial agent in food-grade containers as it is a naturally occuring non-toxic compound.
In at least one embodiment, the present application provides an insulative fluid is provided that further contains ascorbic acid.
Ascorbic acid is a sugar acid with antioxidant properties and has the chemical formula C6F1806. Ascorbic Acid is a well known preservative and is contemplated for use in connection with the present application to provide an insulative fluid that is resistant to microbial growth. Ascorbic acid is particularly well suited for use as an antimicrobial agent in food-grade containers as it is a naturally occurring non-toxic compound.
In at least one embodiment, an insulative fluid is provided wherein the poly(potassium acrylate) is mixed with water in the ratio of 50 cubic centimeters of water in solution with I gram of poly(potassium acrylate). Using I gram of ingredient over 50 CC of water has a distinctive advantage of using less ingredient to yield higher volume, save production cost As will be recognized by the skilled person, there are a wide variety of containers known in the prior art that will be suitable for use in connection with the present application. In at least one embodiment, a suitable container will have an outer vessel having an upper rim defining an open end and an inner cavity having an upper rim defining an open end.
The inner cavity is suspended within the outer vessel, and accordingly the inner cavity is sized slightly smaller than the outer vessel. The inner vessel is contemplated to hold a hot or cold beverage.
In this embodiment, the upper rim of the outer vessel is joined to the upper rim of the inner cavity. A sealed chamber is disposed between an outer surface of the inner cavity and an inner surface of the outer vessel. The sealed chamber is substantially filled with one of the embodiments of the insulative fluids described herein.
A suitable container can be constructed of any material that is compatible (i.e. non-reactive) with the disclosed insulative fluids, as will be understood by the skilled person, including but not limited to various plastics and stainless steel. A suitable container may or may not include a handle formed of a suitable material.
The above-described embodiments of the present application are meant to be illustrative of preferred embodiments of the present application and are not intended to limit the scope of the present application. Various modifications, which would be readily apparent to one skilled in the art, are intended to be within the scope of the present application.
The only limitations to the scope of the present application are set out in the following appended claims.
Claims (4)
1. A container for reducing heat transfer from a beverage, the container comprising:
(a) an outer vessel (1) having a base (2) and an upper rim (3) defining an open end (4a), said outer vessel having an inner surface (5) and an outer surface (6);
(b) an inner vessel (7) having an upper rim (8) defining an open end (4b), said inner vessel having an inner surface (9) and an outer surface (10), said inner vessel suspended within said outer vessel and adapted to receive beverages therein, said upper rim of said inner cavity being integrally joined to said upper rim of said outer vessel, said outer surface (10) of said inner vessel and said inner surface (5) of said outer vessel defining a sealed chamber (20) therebetween, and, (c) an insulative fluid (21) substantially filling said sealed chamber, said insulative fluid formed from a mixture of water and a water absorptive poly(potassium acrylate) polymer in the approximate ratio of 50:1 (cc:g).
(a) an outer vessel (1) having a base (2) and an upper rim (3) defining an open end (4a), said outer vessel having an inner surface (5) and an outer surface (6);
(b) an inner vessel (7) having an upper rim (8) defining an open end (4b), said inner vessel having an inner surface (9) and an outer surface (10), said inner vessel suspended within said outer vessel and adapted to receive beverages therein, said upper rim of said inner cavity being integrally joined to said upper rim of said outer vessel, said outer surface (10) of said inner vessel and said inner surface (5) of said outer vessel defining a sealed chamber (20) therebetween, and, (c) an insulative fluid (21) substantially filling said sealed chamber, said insulative fluid formed from a mixture of water and a water absorptive poly(potassium acrylate) polymer in the approximate ratio of 50:1 (cc:g).
2. The container as recited in claim 1, wherein said insulative fluid is formed from a mixture of 100cc of water and 2g of water absorptive poly(potassium acrylate) polymer.
3. The container as recited in claim 1 further comprising sodium chloride (NaCl) added to said mixture to impart freezing resistant properties thereto.
4. The container as recited in claim 1 further comprising ascorbic acid added to said mixture as a preservative.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2733487 CA2733487A1 (en) | 2011-03-08 | 2011-03-08 | Insulating system for hot and cold beverages |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2733487 CA2733487A1 (en) | 2011-03-08 | 2011-03-08 | Insulating system for hot and cold beverages |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2733487A1 true CA2733487A1 (en) | 2012-09-08 |
Family
ID=46787379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2733487 Abandoned CA2733487A1 (en) | 2011-03-08 | 2011-03-08 | Insulating system for hot and cold beverages |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2733487A1 (en) |
-
2011
- 2011-03-08 CA CA 2733487 patent/CA2733487A1/en not_active Abandoned
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Dead |
Effective date: 20150310 |