US2737166A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Altitude compensated pneumatic governor
Assignee: Motors Liquidation Co
•
Filing: 1952-12-26
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Granted: 1956-03-06
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Expires: 1972-12-26
Abstract
No abstract record available.
Inventors
- 👤 Charles H Frick
- 👤 Ralph J Rays
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:42
CPC Classifications
F; F02; F02D; F02D9/00; F02D2700/00; F02D2700/02; F02D2700/0217; F02D2700/0225; F02D2700/0228; F02D2700/023; F02D2700/0235
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2091163A
Cited
GB497380A
Cited
US2341257A
Cited
US2330650A
Cited
US2315912A
Cited
US2442419A
Cited
US2455344A
Cited
US2633115A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-03-06 | 1959-09-05 | 1960-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-06 | 1963-09-05 | 1964-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-06 | 1967-09-05 | 1968-03-06 | $7700.00 | Window Closed / Lapsed |