US2160293A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricant
Assignee: Standard Oil Co
•
Filing: 1936-12-05
•
Granted: 1939-05-30
•
Expires: 1956-12-05
Abstract
No abstract record available.
Inventors
- 👤 Bernard H Shoemaker
- 👤 Clarence M Leane
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:57
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2207/16; C10M2215/00; C10M2215/22; C10M2215/221; C10M2215/222; C10M2215/223; C10M2215/224; C10M2215/225; C10M2215/226; C10M2215/24; C10M2215/30; C10M2219/00; C10M2219/09; C10M2219/10; C10M2219/102; C10M2219/104; C10M2219/106; C10N; C10N2010/00; C10N2010/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1942-05-29 | 1942-11-28 | 1943-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-05-29 | 1946-11-28 | 1947-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-05-29 | 1950-11-28 | 1951-05-30 | $7700.00 | Window Closed / Lapsed |