Patent US2323183A successfully refreshed from Google Patents.
Patent US3242925A successfully refreshed from Google Patents.
US3242925A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cigarette manufacture
Assignee: Individual
•
Filing: 1960-02-15
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Granted: 1966-03-29
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Expires: 1980-02-15
Abstract
No abstract record available.
Inventors
- 👤 Thomas A Sterne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 18:03
CPC Classifications
A; A24; A24D; A24D3/00; A24D3/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
A CIGARETTE INCLUDING A SUPPLY OF TOBACCO, A WRAPPER ENCLOSING THE TOBACCO SUPPLY, A FILTER MEDIUM WITHIN THE WRAPPER AT ONE END THEREOF, SAID FILTER MEDIUM HAVING INNER AND OUTER ENDS, SAID FILTER MEDIUM HAVING AT LEAST ONE PASSAGE EXTENDING LONGITUDINALLY THEREOF FROM THE OUTER END TO THE INNER END TO DEFINE A CONDUIT THROUGH WHICH UNFILTERED SMOKE MAY BE DRAWN, AND A PRESSURESENSITIVE SELF-SEALING ADHESIVE ON THE WALL OF SAID PASSAGE OPERATIVE TO CLOSE THE OUTER PORTION OF SAID PASSAGE WHEN PRESSURE IS APPLIED TO THE END OF THE CIGARETTE CONTAINING THE FILTER MEDIUM SO THAT SMOKE WILL BE DRAWN THROUGH THE FILTER MEDIUM.
Claim 2
Dependent Claim
105 words
A CIGARETTE INCLUDING A SUPPLY OF TOBACCO, A WRAPPER ENCLOSING THE TOBACCO SUPPLY, A FILTER MEDIUM WITHIN THE WRAPPER AT ONE END THEREOF, SAID FILTER MEDIUM HAVING INNER AND OUTER ENDS, SAID FILTER MEDIUM HAVING AT LEAST ONE PASSAGE EXTENDING LONGITUDINALLY THEREOF FROM THE OUTER END TO THE INNER END TO DEFINE A CONDUIT THROUGH WHICH UNFILTERED SMOKE MAY BE DRAWN, AND A PRESSURESENSITIVE SELF-SEALING ADHESIVE ON THE WALL OF SAID PASSAGE OPERATIVE TO CLOSE THE OUTER PORTION OF SAID PASSAGE WHEN PRESSURE IS APPLIED TO THE END OF THE CIGARETTE CONTAINING THE FILTER MEDIUM SO THAT SMOKE WILL BE DRAWN THROUGH THE FILTER MEDIUM.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-28 | 1969-09-27 | 1970-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-28 | 1973-09-27 | 1974-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-28 | 1977-09-27 | 1978-03-29 | $7700.00 | Window Closed / Lapsed |