Patent US2941139A successfully refreshed from Google Patents.
US2941139A
Expired / Lapsed
US
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Constant output control system for aircraft and the like
Assignee: General Electric Co
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Filing: 1956-08-31
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Granted: 1960-06-14
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Expires: 1976-08-31
Abstract
No abstract record available.
Inventors
- 👤 Michael F Marx
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:23
CPC Classifications
G; G05; G05D; G05D3/00; G05D3/12; G05D3/14; G05D3/1427; G05D1/00; G05D1/08; G05D1/0808; G05D1/0816
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2723089A
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US2528575A
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US2582305A
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US2664530A
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US2630282A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-14 | 1963-12-14 | 1964-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-14 | 1967-12-14 | 1968-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-14 | 1971-12-14 | 1972-06-14 | $7700.00 | Window Closed / Lapsed |