US2760468A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Engine cooling system
Assignee: Motors Liquidation Co
•
Filing: 1952-11-01
•
Granted: 1956-08-28
•
Expires: 1972-11-01
Abstract
No abstract record available.
Inventors
- 👤 Dolza John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 03:30
CPC Classifications
F; F01; F01P; F01P7/00; F01P7/14; F01P7/16; F01P2070/00; F01P5/00; F01P5/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1386787A
Cited
US1346331A
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US1519155A
Cited
US1623804A
Cited
US1687353A
Cited
FR749867A
Cited
US2231939A
Cited
US2309976A
Cited
GB556489A
Cited
US2506547A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-28 | 1960-02-27 | 1960-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-28 | 1964-02-27 | 1964-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-28 | 1968-02-27 | 1968-08-28 | $7700.00 | Window Closed / Lapsed |