US2665084A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flap actuator and control system
Assignee: Northrop Grumman Corp
•
Filing: 1949-11-14
•
Granted: 1954-01-05
•
Expires: 1969-11-14
Abstract
No abstract record available.
Inventors
- 👤 Thomas A Feeney
- 👤 John E Glenn
- 👤 Walter B Degenfelder
- 👤 Ronald E Crandall
- 👤 Herbert S Ripley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:44
CPC Classifications
B; B64; B64C; B64C13/00; Y; Y10; Y10S; Y10S60/00; Y10S60/904; Y10T; Y10T74/00; Y10T74/20; Y10T74/20012
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1165811A
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US1365347A
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US1847693A
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US2017086A
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US2071177A
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US2140037A
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US2203057A
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US2312686A
Cited
US2376731A
Cited
US2522284A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-04 | 1957-07-06 | 1958-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-04 | 1961-07-06 | 1962-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-04 | 1965-07-06 | 1966-01-05 | $7700.00 | Window Closed / Lapsed |