GB8909105D0 - Improvements relating to filters for rods of smoking material - Google Patents

Improvements relating to filters for rods of smoking material

Info

Publication number
GB8909105D0
GB8909105D0 GB898909105A GB8909105A GB8909105D0 GB 8909105 D0 GB8909105 D0 GB 8909105D0 GB 898909105 A GB898909105 A GB 898909105A GB 8909105 A GB8909105 A GB 8909105A GB 8909105 D0 GB8909105 D0 GB 8909105D0
Authority
GB
United Kingdom
Prior art keywords
filters
rods
improvements relating
smoking material
smoking
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.)
Granted
Application number
GB898909105A
Other versions
GB2217971B (en
GB2217971A (en
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.)
IMP TOBACCO CO Ltd
Original Assignee
IMP TOBACCO CO Ltd
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.)
Filing date
Publication date
Application filed by IMP TOBACCO CO Ltd filed Critical IMP TOBACCO CO Ltd
Publication of GB8909105D0 publication Critical patent/GB8909105D0/en
Publication of GB2217971A publication Critical patent/GB2217971A/en
Application granted granted Critical
Publication of GB2217971B publication Critical patent/GB2217971B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • A24D3/045—Tobacco smoke filters characterised by their shape or structure with smoke acceleration means, e.g. impact-filters
GB8909105A 1988-04-22 1989-04-21 Improvements relating to filters for rods of smoking material Expired - Lifetime GB2217971B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB888809609A GB8809609D0 (en) 1988-04-22 1988-04-22 Improvements relating to filters for rods of smoking material

Publications (3)

Publication Number Publication Date
GB8909105D0 true GB8909105D0 (en) 1989-06-07
GB2217971A GB2217971A (en) 1989-11-08
GB2217971B GB2217971B (en) 1991-09-04

Family

ID=10635697

Family Applications (2)

Application Number Title Priority Date Filing Date
GB888809609A Pending GB8809609D0 (en) 1988-04-22 1988-04-22 Improvements relating to filters for rods of smoking material
GB8909105A Expired - Lifetime GB2217971B (en) 1988-04-22 1989-04-21 Improvements relating to filters for rods of smoking material

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB888809609A Pending GB8809609D0 (en) 1988-04-22 1988-04-22 Improvements relating to filters for rods of smoking material

Country Status (1)

Country Link
GB (2) GB8809609D0 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0813567D0 (en) * 2008-07-24 2008-09-03 British American Tobacco Co Filter for a smoking article
GB201118639D0 (en) * 2011-10-28 2011-12-07 British American Tobacco Co A device for delivering gasseous flow to the mouth of the user

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB982670A (en) * 1962-06-28 1965-02-10 Gastone Beghe Filter cigarette
US4438776A (en) * 1982-06-24 1984-03-27 Brown & Williamson Tobacco Corporation Cigarette filter
GB8713904D0 (en) * 1987-06-15 1987-07-22 Tabac Fab Reunies Sa Filter for smoking articles

Also Published As

Publication number Publication date
GB8809609D0 (en) 1988-05-25
GB2217971B (en) 1991-09-04
GB2217971A (en) 1989-11-08

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20030421

PE20 Patent expired after termination of 20 years

Effective date: 20030421