CA539042A - Tobacco smoke filter - Google Patents

Tobacco smoke filter

Info

Publication number: CA539042A
Authority: CA; Canada
Prior art keywords: tobacco smoke; smoke filter; filter; tobacco; smoke
Prior art date: 1957-04-02
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

CA539042A

Other languages

French (fr)

Inventor

W. Knudson Harold

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.)

P Lorillard Co

Original Assignee

P Lorillard Co

Publication date

1957-04-02

1957-04-02 Application granted granted Critical

1957-04-02 Publication of CA539042A publication Critical patent/CA539042A/en

Status Expired legal-status Critical Current

Links

CA539042A Tobacco smoke filter Expired CA539042A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA539042T

Publications (1)

Publication Number	Publication Date
CA539042A true CA539042A (en)	1957-04-02

Family

ID=35693684

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA539042A Expired CA539042A (en)			Tobacco smoke filter

Country Status (1)

Country	Link
CA (1)	CA539042A (en)

0
- CA CA539042A patent/CA539042A/en not_active Expired

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