US2938338A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas turbine starting system
Assignee: Motors Liquidation Co
•
Filing: 1956-01-20
•
Granted: 1960-05-31
•
Expires: 1976-01-20
Abstract
No abstract record available.
Inventors
- 👤 Frederick A Creswick
- 👤 Eugene E Flanigan
- 👤 Clark E Quinn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:30
CPC Classifications
F; F02; F02C; F02C7/00; F02C7/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2497792A
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US2123133A
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US2283785A
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US2486612A
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US2651911A
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US2667742A
Cited
US2449338A
Cited
US2617253A
Cited
FR1054998A
Cited
GB745719A
Cited
US2808702A
Cited
US2807138A
Cited
US2715313A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-31 | 1963-11-30 | 1964-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-31 | 1967-11-30 | 1968-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-31 | 1971-11-30 | 1972-05-31 | $7700.00 | Window Closed / Lapsed |