CA943836A - Tobacco smoke filtering device - Google Patents

Tobacco smoke filtering device

Info

Publication number
CA943836A
CA943836A CA119,465A CA119465A CA943836A CA 943836 A CA943836 A CA 943836A CA 119465 A CA119465 A CA 119465A CA 943836 A CA943836 A CA 943836A
Authority
CA
Canada
Prior art keywords
filtering device
tobacco smoke
smoke filtering
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
CA119,465A
Other versions
CA119465S (en
Inventor
William F. Van Eck
Warren R. Jewett
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CA119,465A priority Critical patent/CA943836A/en
Application granted granted Critical
Publication of CA943836A publication Critical patent/CA943836A/en
Expired legal-status Critical Current

Links

CA119,465A 1971-07-29 1971-07-29 Tobacco smoke filtering device Expired CA943836A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA119,465A CA943836A (en) 1971-07-29 1971-07-29 Tobacco smoke filtering device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA119,465A CA943836A (en) 1971-07-29 1971-07-29 Tobacco smoke filtering device

Publications (1)

Publication Number Publication Date
CA943836A true CA943836A (en) 1974-03-19

Family

ID=4090474

Family Applications (1)

Application Number Title Priority Date Filing Date
CA119,465A Expired CA943836A (en) 1971-07-29 1971-07-29 Tobacco smoke filtering device

Country Status (1)

Country Link
CA (1) CA943836A (en)

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