US2462616A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricating oil containing an antioxidant
Assignee: Standard Oil Development Co
•
Filing: 1944-12-05
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Granted: 1949-02-22
•
Expires: 1964-12-05
Abstract
No abstract record available.
Inventors
- 👤 Lawrence T Eby
- 👤 Louis A Mikeska
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:31
CPC Classifications
C; C10; C10M; C10M171/00; C10M171/004; C10M2201/00; C10M2201/04; C10M2201/041; C10M2201/042; C10M2201/06; C10M2201/062; C10M2203/00; C10M2203/10; C10M2203/102; C10M2203/108; C10M2205/00; C10M2205/18; C10M2205/20; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2207/40; C10M2207/404; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/082; C10M2219/00; C10M2219/02; C10M2219/024; C10M2227/00; C10M2227/06; C10M2227/061; C10N; C10N2030/00; C10N2030/12; C10N2040/00; C10N2040/04; C10N2040/042; C10N2040/044; C10N2040/046; C10N2040/135; C10N2040/14; C10N2040/16; C10N2040/17; C10N2050/00; C10N2050/10; C10N2070/00; C10N2070/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-02-22 | 1952-08-23 | 1953-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-02-22 | 1956-08-23 | 1957-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-02-22 | 1960-08-23 | 1961-02-22 | $7700.00 | Window Closed / Lapsed |