CA993303A - Tobacco smoke filter - Google Patents

Tobacco smoke filter

Info

Publication number
CA993303A
CA993303A CA242,384A CA242384A CA993303A CA 993303 A CA993303 A CA 993303A CA 242384 A CA242384 A CA 242384A CA 993303 A CA993303 A CA 993303A
Authority
CA
Canada
Prior art keywords
tobacco smoke
smoke filter
filter
tobacco
smoke
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
CA242,384A
Inventor
Richard M. Berger
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.)
Filtrona Richmond Inc
Original Assignee
American Filtrona Corp
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
Priority claimed from US00287803A external-priority patent/US3811451A/en
Application filed by American Filtrona Corp filed Critical American Filtrona Corp
Priority to CA242,384A priority Critical patent/CA993303A/en
Application granted granted Critical
Publication of CA993303A publication Critical patent/CA993303A/en
Expired legal-status Critical Current

Links

CA242,384A 1972-09-11 1975-12-23 Tobacco smoke filter Expired CA993303A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA242,384A CA993303A (en) 1972-09-11 1975-12-23 Tobacco smoke filter

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US00287803A US3811451A (en) 1972-09-11 1972-09-11 Tobacco smoke filter
CA180,762A CA991046A (en) 1972-09-11 1973-09-11 Tobacco smoke filter
CA242,384A CA993303A (en) 1972-09-11 1975-12-23 Tobacco smoke filter

Publications (1)

Publication Number Publication Date
CA993303A true CA993303A (en) 1976-07-20

Family

ID=27163034

Family Applications (1)

Application Number Title Priority Date Filing Date
CA242,384A Expired CA993303A (en) 1972-09-11 1975-12-23 Tobacco smoke filter

Country Status (1)

Country Link
CA (1) CA993303A (en)

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