Patent US3236478A successfully refreshed from Google Patents.
US3236478A
Expired / Lapsed
US
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Flight control system
Assignee: North American Aviation Corp
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Filing: 1964-04-23
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Granted: 1966-02-22
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Expires: 1984-04-23
Abstract
No abstract record available.
Inventors
- 👤 Adams F Le Roy
- 👤 John D Balducci
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:04
CPC Classifications
G; G05; G05D; G05D1/00; G05D1/04; G05D1/06; G05D1/0607; G05D1/0615; G05D1/0623; G05D1/08; G05D1/0808
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
40 words
A FLIGHT CONTROL SYSTEM EMPLOYING NORMAL ACCELEROMETER FEEDBACK SIGNALS FOR REDUCING AIRCRAFT RESPONSE TO GUSTS, AND SIGNAL CANCELLATION MEANS RESPONSIVE TO THE PILOT''S CONTROL COLUMN FOR CANCELLING FEEDBACK SIGNALS DUE TO AIRCRAFT ACCELERATION INDUCED BY OPERATION OF THE CONTROL COLUMN.
Claim 2
Dependent Claim
40 words
A FLIGHT CONTROL SYSTEM EMPLOYING NORMAL ACCELEROMETER FEEDBACK SIGNALS FOR REDUCING AIRCRAFT RESPONSE TO GUSTS, AND SIGNAL CANCELLATION MEANS RESPONSIVE TO THE PILOT''S CONTROL COLUMN FOR CANCELLING FEEDBACK SIGNALS DUE TO AIRCRAFT ACCELERATION INDUCED BY OPERATION OF THE CONTROL COLUMN.
References Cited (Backward Citations)
US3033496A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |