US2463429A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricant
Assignee: Standard Oil Co
•
Filing: 1944-12-30
•
Granted: 1949-03-01
•
Expires: 1964-12-30
Abstract
No abstract record available.
Inventors
- 👤 Edward N Roberts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:45
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2201/00; C10M2201/04; C10M2201/043; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/025; C10M2207/04; C10M2207/046; C10M2207/28; C10M2207/284; C10M2207/285; C10M2207/287; C10M2207/289; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/06; C10M2215/20; C10M2215/202; C10M2215/24; C10M2215/26; C10M2219/00; C10M2219/02; C10M2219/022; C10M2221/00; C10M2221/04; C10M2221/041; C10M2223/00; C10M2223/12; C10M2225/00; C10M2225/04; C10M2225/041; C10N; C10N2010/00; C10N2010/04; C10N2010/06; C10N2010/08; C10N2010/12; C10N2010/14; C10N2010/16; C10N2070/00; C10N2070/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1793135A
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US2216752A
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US2145971A
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US2145970A
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US2267337A
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US2289795A
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US2270577A
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US2316082A
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US2316081A
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US2316088A
Cited
US2316090A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-02-29 | 1952-08-30 | 1953-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-02-29 | 1956-08-30 | 1957-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-02-29 | 1960-08-30 | 1961-03-01 | $7700.00 | Window Closed / Lapsed |