Patent US1442255A successfully refreshed from Google Patents.
US3480018A
Expired / Lapsed
US
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Gelled tobacco sheets and method of making same
Assignee: Kelco Co
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Filing: 1967-04-06
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Granted: 1969-11-25
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Expires: 1987-04-06
Abstract
No abstract record available.
Inventors
- 👤 William P Fairchild
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:51
CPC Classifications
A; A24; A24B; A24B15/00; A24B15/10; A24B15/12; A24B15/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2747583A
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US2778753A
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US2887414A
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US3054689A
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US3258014A
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US3364935A
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US3194245A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-24 | 1973-05-26 | 1973-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-24 | 1977-05-26 | 1977-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-24 | 1981-05-26 | 1981-11-25 | $7700.00 | Window Closed / Lapsed |