US3079105A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reserve lift indicator for aircraft and the like
Assignee: Individual
•
Filing: 1957-10-21
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Granted: 1963-02-26
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Expires: 1977-10-21
Abstract
No abstract record available.
Inventors
- 👤 Raspet Mabel Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:37
CPC Classifications
B; B64; B64D; B64D43/00; B64D43/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
FOR SIGNALLING TO THE CONTROLLER OF A WINGED AIRCRAFT THE DECREASE IN RESERVE LIFT AT HIGH ANGLES OF ATTACK OF THE WING, A SENSOR COMPRISING A HOLLOW MEMBER HAVING A FORWARDLY-PRESENTED OPEN END, MEANS TO SPACE SAID OPEN END A FIXED DISTANCE FROM THE UPPER SURFACE OF THE WING AFT OF THE 50% CHORD POINT, A MICROPHONE, ACOUSTICAL COMMUNICATION MEANS BETWEEN THE HOLLOW MEMBER AND MICROPHONE TO ACCUMULATE AND IMPRESS THE PRESSURE AT THE FORWARDLY-PRESENTED OPEN END UPON THE MICROPHONE, AND ELECTRICAL MEANS TO COMMUNICATE THE RESPONSE OF THE MICROPHONE TO THE INCIDENCE OF BURSTS OF TURBULENCE IN THE AIRFLOW, SENSED AT THE OPEN END.
Claim 2
Dependent Claim
105 words
FOR SIGNALLING TO THE CONTROLLER OF A WINGED AIRCRAFT THE DECREASE IN RESERVE LIFT AT HIGH ANGLES OF ATTACK OF THE WING, A SENSOR COMPRISING A HOLLOW MEMBER HAVING A FORWARDLY-PRESENTED OPEN END, MEANS TO SPACE SAID OPEN END A FIXED DISTANCE FROM THE UPPER SURFACE OF THE WING AFT OF THE 50% CHORD POINT, A MICROPHONE, ACOUSTICAL COMMUNICATION MEANS BETWEEN THE HOLLOW MEMBER AND MICROPHONE TO ACCUMULATE AND IMPRESS THE PRESSURE AT THE FORWARDLY-PRESENTED OPEN END UPON THE MICROPHONE, AND ELECTRICAL MEANS TO COMMUNICATE THE RESPONSE OF THE MICROPHONE TO THE INCIDENCE OF BURSTS OF TURBULENCE IN THE AIRFLOW, SENSED AT THE OPEN END.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-25 | 1966-08-27 | 1967-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-25 | 1970-08-27 | 1971-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-25 | 1974-08-27 | 1975-02-26 | $7700.00 | Window Closed / Lapsed |