US3173631A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aircraft yaw trim control mechanism
Assignee: Kaman Aircraft Corp
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Filing: 1960-12-01
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Granted: 1965-03-16
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Expires: 1980-12-01
Abstract
No abstract record available.
Inventors
- 👤 Harold S Hendrickson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:59
CPC Classifications
G; G05; G05D; G05D1/00; G05D1/08; G05D1/0808; G05D1/0858; B; B64; B64C; B64C27/00; B64C27/32; B64C27/82; B64C2027/8263; B64C2027/8281
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
IN A CONTROL MECHANISM FOR AN AIRCRAFT, THE COMBINATION OF: MEANS INCLUDING A PILOT OPERABLE DEVICE MOVABLE IN PREDETERMINED OPPOSITE DIRECTIONS TO CONTROL A GIVEN MOTION OF SAID AIRCRAFT, MEANS FOR SENSING THE RATE OF CHANGE OF SAID GIVEN MOTION, AND MEANS OPERABLE ONLY WHEN SAID RATE OF CHANGE OF SAID GIVEN MOTION AS MEASURED BY SAID SENSING MEANS IS BELOW A PREDETERMINED VALUE FOR AUTOMATICALLY NEUTRALIZING THE PILOT FORCE APPLIED TO SAID PILOT OPERAABLE DEVICE.
Claim 2
Dependent Claim
76 words
IN A CONTROL MECHANISM FOR AN AIRCRAFT, THE COMBINATION OF: MEANS INCLUDING A PILOT OPERABLE DEVICE MOVABLE IN PREDETERMINED OPPOSITE DIRECTIONS TO CONTROL A GIVEN MOTION OF SAID AIRCRAFT, MEANS FOR SENSING THE RATE OF CHANGE OF SAID GIVEN MOTION, AND MEANS OPERABLE ONLY WHEN SAID RATE OF CHANGE OF SAID GIVEN MOTION AS MEASURED BY SAID SENSING MEANS IS BELOW A PREDETERMINED VALUE FOR AUTOMATICALLY NEUTRALIZING THE PILOT FORCE APPLIED TO SAID PILOT OPERAABLE DEVICE.
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) | 1968-03-15 | 1968-09-14 | 1969-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-15 | 1972-09-14 | 1973-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-15 | 1976-09-14 | 1977-03-16 | $7700.00 | Window Closed / Lapsed |