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US3463166A
Expired / Lapsed
US
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Smokers' smoke treatment attachment
Assignee: JOHN M BENNETT
•
Filing: 1967-08-31
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Granted: 1969-08-26
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Expires: 1987-08-31
Abstract
No abstract record available.
Inventors
- 👤 John M Bennett
- 👤 Karel A Hozak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 00:29
CPC Classifications
A; A24; A24F; A24F1/00; A24F2700/00; A24F2700/03
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2124130A
Cited
US2189684A
Cited
US2801637A
Cited
GB776316A
Cited
US2951486A
Cited
US3270751A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-25 | 1973-02-24 | 1973-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-25 | 1977-02-24 | 1977-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-25 | 1981-02-24 | 1981-08-26 | $7700.00 | Window Closed / Lapsed |