US2650767A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve for lubricant temperature regulating systems
Assignee: Motors Liquidation Co
•
Filing: 1941-06-06
•
Granted: 1953-09-01
•
Expires: 1961-06-06
Abstract
No abstract record available.
Inventors
- 👤 Leo B Nemmer
- 👤 Charles J O'brien
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:47
CPC Classifications
F; F01; F01M; F01M5/00; F01M5/005; F01M5/007; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86718; Y10T137/86726; Y10T137/87917; Y10T137/88022; Y10T137/8803
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB191118825A
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US1414780A
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US1412845A
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FR621750A
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US1909755A
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US1858454A
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US1916325A
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US1864052A
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US1992796A
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US2222907A
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US1989598A
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US2189814A
Cited
US2129231A
Cited
US2177937A
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US2244808A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-31 | 1957-03-02 | 1957-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-31 | 1961-03-02 | 1961-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-31 | 1965-03-02 | 1965-09-01 | $7700.00 | Window Closed / Lapsed |