USD311789S - Protective mask - Google Patents
Protective mask Download PDFInfo
- Publication number
- USD311789S USD311789S US07/240,042 US24004288F USD311789S US D311789 S USD311789 S US D311789S US 24004288 F US24004288 F US 24004288F US D311789 S USD311789 S US D311789S
- Authority
- US
- United States
- Prior art keywords
- protective mask
- protective
- mask
- elevational view
- ornamental design
- 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.)
- Expired - Lifetime
Links
Images
Description
FIG. 1 is a front elevational view of a protective mask showing our new design;
FIG. 2 is a rear elevational view thereof;
FIG. 3 is a left side elevational view thereof;
FIG. 4 is a right side elevational view thereof;
FIG. 5 is a top plan view thereof; and,
FIG. 6 is a bottom plan view thereof.
Claims (1)
- The ornamental design for a protective mask, as shown and described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/240,042 USD311789S (en) | 1988-09-02 | 1988-09-02 | Protective mask |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/240,042 USD311789S (en) | 1988-09-02 | 1988-09-02 | Protective mask |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| USD311789S true USD311789S (en) | 1990-10-30 |
Family
ID=64271437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US07/240,042 Expired - Lifetime USD311789S (en) | 1988-09-02 | 1988-09-02 | Protective mask |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | USD311789S (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD319111S (en) | 1989-08-28 | 1991-08-13 | BFD Industries, Inc. | Combined face mask and shield |
| USD858749S1 (en) | 2016-08-06 | 2019-09-03 | Stephen P Konrad | Mouth-held filter |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2164330A (en) | 1937-07-10 | 1939-07-04 | Sidney H Katz | Fully molded gas mask facepiece |
| US2620794A (en) | 1951-08-03 | 1952-12-09 | Willson Products Inc | Respirator |
| US2888920A (en) | 1957-03-05 | 1959-06-02 | Drager Otto H | Face mask |
| US3180333A (en) | 1963-05-29 | 1965-04-27 | Acme Prot Equipment Co | Gas mask communication system |
| US4440163A (en) | 1982-07-30 | 1984-04-03 | Gabriel Spergel | Emergency escape breathing apparatus |
| US4756308A (en) | 1984-10-25 | 1988-07-12 | Akg Akustische U.Kino-Gerate Gesellschaft M.B.H. | Protective breathing mask having a speaking diaphragm for close communication and an electroacoustic transducer system for indirect speech transmission from inside the mask |
-
1988
- 1988-09-02 US US07/240,042 patent/USD311789S/en not_active Expired - Lifetime
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2164330A (en) | 1937-07-10 | 1939-07-04 | Sidney H Katz | Fully molded gas mask facepiece |
| US2620794A (en) | 1951-08-03 | 1952-12-09 | Willson Products Inc | Respirator |
| US2888920A (en) | 1957-03-05 | 1959-06-02 | Drager Otto H | Face mask |
| US3180333A (en) | 1963-05-29 | 1965-04-27 | Acme Prot Equipment Co | Gas mask communication system |
| US4440163A (en) | 1982-07-30 | 1984-04-03 | Gabriel Spergel | Emergency escape breathing apparatus |
| US4756308A (en) | 1984-10-25 | 1988-07-12 | Akg Akustische U.Kino-Gerate Gesellschaft M.B.H. | Protective breathing mask having a speaking diaphragm for close communication and an electroacoustic transducer system for indirect speech transmission from inside the mask |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD319111S (en) | 1989-08-28 | 1991-08-13 | BFD Industries, Inc. | Combined face mask and shield |
| USD858749S1 (en) | 2016-08-06 | 2019-09-03 | Stephen P Konrad | Mouth-held filter |
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