Patent US3132323A successfully refreshed from Google Patents.
US3132323A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Maximum allowable airspeed switch
Assignee: Kollsman Instrument Corp
•
Filing: 1961-06-20
•
Granted: 1964-05-05
•
Expires: 1981-06-20
Abstract
No abstract record available.
Inventors
- 👤 Hauptman Frederic
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:21
CPC Classifications
G; G01; G01P; G01P5/00; G01P5/14; G01P5/16; G01P5/17; G01P5/175; G01P1/00; G01P1/07; G01P1/08; G01P1/10
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
141 words
IN AN AIRCRAFT INSTRUMENT FOR PROVIDING AN ELECTRICAL SIGNAL WHENEVER THE CRAFT APPROACHES IT MAXIMUM PERMISSIVE SPEED, A STATIC PRESSURE ATMOSPHERE DETECTOR HAVING A DISPLACEABLE MEMBER, AN AIRSPEED DETECTOR HAVING A DISPLACEABLE MEMBER, A MECHANISM HAVING AN INPUT AND AN OUTPUT MEMBER THAT ARE RELATIVELY DISPLACABLE WITH RESPECT TO ONE ANOTHER AT DIFFERENT RATES OVER DIFFERENT RANGES OF DISPLACEMENT CORRESPONDING TO THE DISCONTINUOUS FUNCTION RELATING TO THE MAXIMUM SAFE SPEED OF THE CRAFT TO THE STATIC PRESSURE OF THE ATMOSPHERE, MEANS CONNECTING SAID MECHANISM FOR ACTUATION BY ONE OF SAID DETECTORS, AND ELECTRICAL CONNECTION MEANS FOR PRODUCING AN ELECTRICAL SIGNAL WHEN THE DISPLACEMENT OF SAID MECHANISM ACTUATED BY ITS CONNECTED DETECTOR CORRESPONDS TO THE DISPLACEMENT OF THE OTHER DETECTOR; AND ADDITIONAL ELECTRICAL SIGNAL PRODUCING MEANS RESPONSIVE TO SAID MECHANISM FOR PRODUCING A SIGNAL WHENEVER SAID AIRCRAFT REACHES A PREDETERMINED SPEED-PRESSURE CONDI-
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) | 1967-05-05 | 1967-11-04 | 1968-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-05 | 1971-11-04 | 1972-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-05 | 1975-11-04 | 1976-05-05 | $7700.00 | Window Closed / Lapsed |