CA893500A - Tobacco-smoke filters - Google Patents

Tobacco-smoke filters

Info

Publication number
CA893500A
CA893500A CA893500A CA893500DA CA893500A CA 893500 A CA893500 A CA 893500A CA 893500 A CA893500 A CA 893500A CA 893500D A CA893500D A CA 893500DA CA 893500 A CA893500 A CA 893500A
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
CA893500A
Inventor
Haslam Fred
J. Terry Arthur
G. Clifford Paul
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 CA893500A publication Critical patent/CA893500A/en
Expired legal-status Critical Current

Links

CA893500A Tobacco-smoke filters Expired CA893500A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA893500T

Publications (1)

Publication Number Publication Date
CA893500A true CA893500A (en) 1972-02-22

Family

ID=36399541

Family Applications (1)

Application Number Title Priority Date Filing Date
CA893500A Expired CA893500A (en) Tobacco-smoke filters

Country Status (1)

Country Link
CA (1) CA893500A (en)

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