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Patent US2656841A successfully refreshed from Google Patents.
US2656841A
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Process for making tobacco sheet material
Assignee: AMF Inc
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Filing: 1946-09-10
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Granted: 1953-10-27
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Expires: 1966-09-10
Abstract
No abstract record available.
Inventors
- 👤 Jr Martin H Gurley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:08
CPC Classifications
A; A24; A24B; A24B3/00; A24B3/14; A24B3/18; A24B3/182
Claims Analysis
Total Claims: 0
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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) | 1956-10-26 | 1957-04-27 | 1957-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-26 | 1961-04-27 | 1961-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-26 | 1965-04-27 | 1965-10-27 | $7700.00 | Window Closed / Lapsed |