CA993303A - Tobacco smoke filter - Google Patents
Tobacco smoke filterInfo
- 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
Links
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) |
-
1975
- 1975-12-23 CA CA242,384A patent/CA993303A/en not_active Expired
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