GB8323511D0 - Tobacco smoke filters - Google Patents

Tobacco smoke filters

Info

Publication number: GB8323511D0
Authority: GB; United Kingdom
Prior art keywords: tobacco smoke; smoke filters; filters; tobacco; smoke
Prior art date: 1982-09-02
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.): Granted

Application number

GB838323511A

Other versions

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Imperial Group PLC

Original Assignee

Imperial Group PLC

Priority date (The priority date 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 date listed.)

1982-09-02

Filing date

1983-09-01

Publication date

1983-10-05

1983-09-01 Application filed by Imperial Group PLC filed Critical Imperial Group PLC

1983-09-01 Priority to GB08323511A priority Critical patent/GB2128070B/en

1983-10-05 Publication of GB8323511D0 publication Critical patent/GB8323511D0/en

1983-12-08 Priority to US06/559,196 priority patent/US4580939A/en

1984-04-26 Publication of GB2128070A publication Critical patent/GB2128070A/en

1986-06-25 Application granted granted Critical

1986-06-25 Publication of GB2128070B publication Critical patent/GB2128070B/en

Status Expired legal-status Critical Current

Classifications

- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
- A24D3/04—Tobacco smoke filters characterised by their shape or structure
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
- A24D3/02—Manufacture of tobacco smoke filters
- A24D3/025—Final operations, i.e. after the filter rod forming process
- A24D3/0258—Means for making grooves

GB08323511A 1982-09-02 1983-09-01 Improvements in or relating to tobacco smoke filters Expired GB2128070B (en)

Priority Applications (2)

Application Number	Priority Date	Filing Date	Title
GB08323511A GB2128070B (en)	1982-09-02	1983-09-01	Improvements in or relating to tobacco smoke filters
US06/559,196 US4580939A (en)	1983-09-01	1983-12-08	Feeding device for cigarette filters and similar rods

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
GB8225081		1982-09-02
GB08323511A GB2128070B (en)	1982-09-02	1983-09-01	Improvements in or relating to tobacco smoke filters

Publications (3)

Publication Number	Publication Date
GB8323511D0 true GB8323511D0 (en)	1983-10-05
GB2128070A GB2128070A (en)	1984-04-26
GB2128070B GB2128070B (en)	1986-06-25

Family

ID=26283731

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB08323511A Expired GB2128070B (en)	1982-09-02	1983-09-01	Improvements in or relating to tobacco smoke filters

Country Status (1)

Country	Link
GB (1)	GB2128070B (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2078089B (en) *	1980-06-18	1983-10-12	British American Tobacco Co	Filters and a method of producing such filters

1983
- 1983-09-01 GB GB08323511A patent/GB2128070B/en not_active Expired

Also Published As

Publication number	Publication date
GB2128070A (en)	1984-04-26
GB2128070B (en)	1986-06-25

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Legal Events

Date	Code	Title	Description
1987-03-18	732	Registration of transactions, instruments or events in the register (sect. 32/1977)
2001-04-18	PCNP	Patent ceased through non-payment of renewal fee	Effective date: 20000901