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Patent US3496534A successfully refreshed from Google Patents.
US3496534A
Expired / Lapsed
US
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Maximum allowable airspeed indicating means
Assignee: Intercontinental Dynamics Corp
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Filing: 1966-01-17
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Granted: 1970-02-17
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Expires: 1986-01-17
Abstract
No abstract record available.
Inventors
- 👤 John H Andresen Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:04
CPC Classifications
G; G01; G01P; G01P1/00; G01P1/07; G01P1/08; G01P1/10; G01P1/103
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
IMPROVED MAXIMUM PERMISSIBLE AIRSPEED INDICATING MEANS COMPRISING: FIRST SHAFT MEANS ROTATIONALLY RESPONSIVE TO INSTANTANEOUS ALTUTIDE OF AN AIRCRAFT, SECOND SHAFT MEANS ROTATIONALLY RESPONSIVE TO INSTANTANEOUS AIRSPEED OF SAID AIRCRAFT, A FIRST POTENTIOMETER ELEMENT INCLUDING A FIRST PLURALITY OF PARALLEL CONNECTED POTENTIOMETERS, EACH OF SAID LAST MENTIONED POTENTIOMETERS HAVING AN INDIVIDUALLY ADJUSTABLE WIPER; SAID FIRST POTENTIOMETER ELEMENT INCLUDING A SECOND POTENTIOMETER HAVING A RESISTANCE WINDING AND A WIPER DRIVEN BY SAID FIRST SHAFT MEANS, EACH OF SAID INDIVIDUALLY ADJUSTABLE WIPERS BEING CONNECTED TO INDIVIDUAL TAPS ALONG SAID LAST MENTIONED RESISTANCE MEANS; DISCRIMINATING MEANS, EACH OF SAID FIRST AND SECOND POTENTIOMETER ELEMENTS BEING CONNECTED TO SAID DISCRIMINATING MEANS, AND WARNING MEANS CONNECTED TO THE OUTPUT OF SAID DISCRIMINATING MEANS.
Claim 2
Dependent Claim
117 words
IMPROVED MAXIMUM PERMISSIBLE AIRSPEED INDICATING MEANS COMPRISING: FIRST SHAFT MEANS ROTATIONALLY RESPONSIVE TO INSTANTANEOUS ALTUTIDE OF AN AIRCRAFT, SECOND SHAFT MEANS ROTATIONALLY RESPONSIVE TO INSTANTANEOUS AIRSPEED OF SAID AIRCRAFT, A FIRST POTENTIOMETER ELEMENT INCLUDING A FIRST PLURALITY OF PARALLEL CONNECTED POTENTIOMETERS, EACH OF SAID LAST MENTIONED POTENTIOMETERS HAVING AN INDIVIDUALLY ADJUSTABLE WIPER; SAID FIRST POTENTIOMETER ELEMENT INCLUDING A SECOND POTENTIOMETER HAVING A RESISTANCE WINDING AND A WIPER DRIVEN BY SAID FIRST SHAFT MEANS, EACH OF SAID INDIVIDUALLY ADJUSTABLE WIPERS BEING CONNECTED TO INDIVIDUAL TAPS ALONG SAID LAST MENTIONED RESISTANCE MEANS; DISCRIMINATING MEANS, EACH OF SAID FIRST AND SECOND POTENTIOMETER ELEMENTS BEING CONNECTED TO SAID DISCRIMINATING MEANS, AND WARNING MEANS CONNECTED TO THE OUTPUT OF SAID DISCRIMINATING MEANS.
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) | 1973-02-16 | 1973-08-18 | 1974-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-16 | 1977-08-18 | 1978-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-16 | 1981-08-18 | 1982-02-17 | $7700.00 | Window Closed / Lapsed |