Patent US2160880A successfully refreshed from Google Patents.
US2160880A
Expired / Lapsed
US
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Lubricant
Assignee: Standard Oil Co
•
Filing: 1936-11-02
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Granted: 1939-06-06
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Expires: 1956-11-02
Abstract
No abstract record available.
Inventors
- 👤 Clarence M Loane
- 👤 Bernard H Shoemaker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:48
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2207/16; C10M2215/00; C10M2215/10; C10M2215/102; C10M2219/00; C10M2219/06; C10M2219/062; C10M2219/064; C10M2219/066; C10M2219/068; C10N; C10N2010/00; C10N2010/06; C10N2010/08; C10N2040/00; C10N2040/02
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) | 1942-06-05 | 1942-12-05 | 1943-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-06-05 | 1946-12-05 | 1947-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-06-05 | 1950-12-05 | 1951-06-06 | $7700.00 | Window Closed / Lapsed |