CA879466A - Tobacco smoke filters - Google Patents

Tobacco smoke filters

Info

Publication number: CA879466A
Authority: CA; Canada
Prior art keywords: tobacco smoke; smoke filters; filters; tobacco; smoke
Prior art date: 1971-08-31
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

CA879466A

Inventor

H. Shepherd Thomas

E. Gould Francis

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.)

National Patent Development Corp

Original Assignee

National Patent Development Corp

Publication date

1971-08-31

1971-08-31 Application granted granted Critical

1971-08-31 Publication of CA879466A publication Critical patent/CA879466A/en

Status Expired legal-status Critical Current

Links

CA879466A Tobacco smoke filters Expired CA879466A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA879466T

Publications (1)

Publication Number	Publication Date
CA879466A true CA879466A (en)	1971-08-31

Family

ID=36365276

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA879466A Expired CA879466A (en)			Tobacco smoke filters

Country Status (1)

Country	Link
CA (1)	CA879466A (en)

0
- CA CA879466A patent/CA879466A/en not_active Expired

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