US1963901A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricant containing a cellulose derivative
Assignee: Eastman Kodak Co
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Filing: 1931-04-17
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Granted: 1934-06-19
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Expires: 1951-04-17
Abstract
No abstract record available.
Inventors
- 👤 Kenneth C D Hickman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:16
CPC Classifications
G; G04; G04B; G04B31/00; G04B31/08; C; C10; C10M; C10M5/00; C10M2207/00; C10M2207/40; C10M2207/402; C10M2207/404; C10M2209/00; C10M2209/02; C10M2209/10; C10M2209/12; C10M2215/00; C10M2215/20; C10N; C10N2040/00; C10N2040/02; C10N2040/06; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1937-06-18 | 1937-12-18 | 1938-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-06-18 | 1941-12-18 | 1942-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-06-18 | 1945-12-18 | 1946-06-19 | $7700.00 | Window Closed / Lapsed |