CA897536A - Tobacco-smoke filters - Google Patents

Tobacco-smoke filters

Info

Publication number
CA897536A
CA897536A CA897536A CA897536DA CA897536A CA 897536 A CA897536 A CA 897536A CA 897536 A CA897536 A CA 897536A CA 897536D A CA897536D A CA 897536DA CA 897536 A CA897536 A CA 897536A
Authority
CA
Canada
Prior art keywords
tobacco
smoke filters
smoke
filters
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
Application number
CA897536A
Inventor
W. C. Tolman Thomas
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.)
British American Tobacco Investments Ltd
Original Assignee
British American Tobacco Co Ltd
Publication date
Application granted granted Critical
Publication of CA897536A publication Critical patent/CA897536A/en
Expired legal-status Critical Current

Links

CA897536A Tobacco-smoke filters Expired CA897536A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA897536T

Publications (1)

Publication Number Publication Date
CA897536A true CA897536A (en) 1972-04-11

Family

ID=36403453

Family Applications (1)

Application Number Title Priority Date Filing Date
CA897536A Expired CA897536A (en) Tobacco-smoke filters

Country Status (1)

Country Link
CA (1) CA897536A (en)

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