US2409799A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricant
Assignee: Standard Oil Co
•
Filing: 1943-12-31
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Granted: 1946-10-22
•
Expires: 1963-12-31
Abstract
No abstract record available.
Inventors
- 👤 Edward N Roberts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:46
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2201/00; C10M2201/04; C10M2201/043; C10M2207/00; C10M2207/40; C10M2207/404; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2215/06; C10M2215/062; C10M2215/067; C10M2215/14; C10M2215/18; C10M2215/182; C10M2215/24; C10M2215/26; C10M2217/00; C10M2217/04; C10M2217/046; C10M2217/06; C10M2219/00; C10M2219/02; C10M2219/022; C10M2219/024; C10M2221/00; C10M2221/04; C10M2221/041; C10M2223/00; C10M2223/12; C10M2225/00; C10M2225/04; C10M2225/041; C10N; C10N2040/00; C10N2040/135; C10N2040/14; C10N2040/16; C10N2040/17; 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) | 1949-10-21 | 1950-04-22 | 1950-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-10-21 | 1954-04-22 | 1954-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-10-21 | 1958-04-22 | 1958-10-22 | $7700.00 | Window Closed / Lapsed |