Patent US3213683A successfully refreshed from Google Patents.
US3213683A
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Aircraft critical acceleration indicating device
Assignee: Individual
•
Filing: 1962-02-27
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Granted: 1965-10-26
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Expires: 1982-02-27
Abstract
No abstract record available.
Inventors
- 👤 Harry F Bunze
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:04
CPC Classifications
G; G05; G05D; G05D1/00; G05D1/0055; G05D1/0066; G01; G01P; G01P15/00; G01P15/02; G01P15/08; G01P15/0891
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A DEVICE FOR CONTINUOUSLY INDICATING WHETHER OR NOT AIRCRAFT ACCELERATION AND AIRSPEED ARE ADEQUATE TO MAKE FOR A SAFE TAKEOFF COMPRISING AN ACCELERATION SENSING SWITCH MOUNTED ON SAID AIRCRAFT TO SENSE FORWARD ACCELERATION THEREOF, MEANS FOR SUPPORTING SAID SWITCH ON SAID AIRCRAFT FOR PIVOTAL MOTION RELATIVE TO THE HORIZONTAL, AND MEANS RESPONSIVE TO AIRSPEED FOR AUTOMATICALLY ADJUSTING THE ANGULAR POSITION OF SAID SUPPORTING MEANS RELATIVE TO THE HORIZONTAL IN ACCORDANCE WITH AIRSPEED.
Claim 2
Independent Claim
72 words
A DEVICE FOR CONTINUOUSLY INDICATING WHETHER OR NOT AIRCRAFT ACCELERATION AND AIRSPEED ARE ADEQUATE TO MAKE FOR A SAFE TAKEOFF COMPRISING AN ACCELERATION SENSING SWITCH MOUNTED ON SAID AIRCRAFT TO SENSE FORWARD ACCELERATION THEREOF, MEANS FOR SUPPORTING SAID SWITCH ON SAID AIRCRAFT FOR PIVOTAL MOTION RELATIVE TO THE HORIZONTAL, AND MEANS RESPONSIVE TO AIRSPEED FOR AUTOMATICALLY ADJUSTING THE ANGULAR POSITION OF SAID SUPPORTING MEANS RELATIVE TO THE HORIZONTAL IN ACCORDANCE WITH AIRSPEED.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-25 | 1969-04-26 | 1969-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-25 | 1973-04-26 | 1973-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-25 | 1977-04-26 | 1977-10-26 | $7700.00 | Window Closed / Lapsed |