US2274291A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compounded mineral oil
Assignee: Standard Oil Co
•
Filing: 1938-11-26
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Granted: 1942-02-24
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Expires: 1958-11-26
Abstract
No abstract record available.
Inventors
- 👤 James O Clayton
- 👤 Bruce B Farrington
- 👤 Robert L Humphreys
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:08
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2207/16; C10M2211/00; C10M2211/04; C10M2211/044; C10M2211/06; C10M2223/00; C10M2223/06; C10M2223/061; C10M2223/065; C10N; C10N2070/00; C10N2070/02
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) | 1945-02-23 | 1945-08-25 | 1946-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-02-23 | 1949-08-25 | 1950-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-02-23 | 1953-08-25 | 1954-02-24 | $7700.00 | Window Closed / Lapsed |