US3100612A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Angle of attack control
Assignee: Lear Siegler Inc
•
Filing: 1960-06-28
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Granted: 1963-08-13
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Expires: 1980-06-28
Abstract
No abstract record available.
Inventors
- 👤 John C Owen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 03:00
CPC Classifications
G; G05; G05D; G05D1/00; G05D1/08; G05D1/0808; G05D1/0816
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
IN AN ANGLE OF ATTACK CONTROL SYSTEM FOR AIRCRAFT HAVING AN ELEVATOR AND A SIGNAL OPERATED ACTUATOR THEREFOR, THE COMBINATION COMPRISING: A DESIRED ABSOLUTE ANGLE OF ATTACK ELECTRICAL SIGNAL SETTING MEANS FOR PROVIDING A DESIRED ABSOLUTE ANGLE OF ATTACK SIGNAL, A SENSOR RESPONSIVE TO INSTANTANEOUS AIRFLOW CHANGES IN ADVANCE OF THE AIRCRAFT AND PROVIDING AN INSTANTANEOUSLY CHANGEABLE SENSOR SIGNAL, MEANS MERGING SAID SIGNALS INTO AN ANGLE OF ATTACK ERROR SIGNAL,
Claim 2
Dependent Claim
70 words
IN AN ANGLE OF ATTACK CONTROL SYSTEM FOR AIRCRAFT HAVING AN ELEVATOR AND A SIGNAL OPERATED ACTUATOR THEREFOR, THE COMBINATION COMPRISING: A DESIRED ABSOLUTE ANGLE OF ATTACK ELECTRICAL SIGNAL SETTING MEANS FOR PROVIDING A DESIRED ABSOLUTE ANGLE OF ATTACK SIGNAL, A SENSOR RESPONSIVE TO INSTANTANEOUS AIRFLOW CHANGES IN ADVANCE OF THE AIRCRAFT AND PROVIDING AN INSTANTANEOUSLY CHANGEABLE SENSOR SIGNAL, MEANS MERGING SAID SIGNALS INTO AN ANGLE OF ATTACK ERROR SIGNAL,
References Cited (Backward Citations)
US2752792A
Cited
US2742324A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-08-12 | 1967-02-11 | 1967-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-12 | 1971-02-11 | 1971-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-12 | 1975-02-11 | 1975-08-13 | $7700.00 | Window Closed / Lapsed |