US2499319A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Engine protective control system
Assignee: Motors Liquidation Co
•
Filing: 1944-07-03
•
Granted: 1950-02-28
•
Expires: 1964-07-03
Abstract
No abstract record available.
Inventors
- 👤 Torsten O Lillquist
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 00:03
CPC Classifications
F; F01; F01M; F01M1/00; F01M1/18; F01M1/20; F01M1/22; F01M1/24; F02; F02B; F02B3/00; F02B3/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2162174A
Cited
US1339798A
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US1473303A
Cited
US2114249A
Cited
US2010960A
Cited
US2152675A
Cited
US2210044A
Cited
US2373735A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-27 | 1953-08-29 | 1954-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-27 | 1957-08-29 | 1958-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-27 | 1961-08-29 | 1962-02-28 | $7700.00 | Window Closed / Lapsed |