Patent US828784A successfully refreshed from Google Patents.
Patent US2982260A successfully refreshed from Google Patents.
US2982260A
Expired / Lapsed
US
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Control device
Assignee: Fairchild Engine and Airplane Corp
•
Filing: 1956-07-20
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Granted: 1961-05-02
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Expires: 1976-07-20
Abstract
No abstract record available.
Inventors
- 👤 David U Hunter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:49
CPC Classifications
F; F22; F22G; F22G5/00; F22D; F22D5/00; F22D5/18; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2564; Y10T137/2567
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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Cited
US718942A
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US868680A
Cited
US1962676A
Cited
US2354791A
Cited
GB603588A
Cited
US2563374A
Cited
US2889780A
Cited
US2774369A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-01 | 1964-10-31 | 1965-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-01 | 1968-10-31 | 1969-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-01 | 1972-10-31 | 1973-05-02 | $7700.00 | Window Closed / Lapsed |