US3286143A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Autopilot for maintaining attitude and heading including rate integration and memorymeans
Assignee: AIRCRAFT RADIO CORP
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Filing: 1962-07-31
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Granted: 1966-11-15
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Expires: 1982-07-31
Abstract
No abstract record available.
Inventors
- 👤 Donald P Kurtz
- 👤 Floyd W Piper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:48
CPC Classifications
G; G05; G05D; G05D1/00; G05D1/08; G05D1/0808; G05D1/0816; G05D1/085
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
IN AN AUTOMATIC PILOT FOR CONTROLLING AN AIRCRAFT HAVING AILERONS AND A SERVO SYSTEM FOR OPERATING SAID AILERONS, THE IMPROVEMENT WHICH COMPRISES: MEANS FOR GENERATING A FIRST SIGNAL HAVING A COMPONENT PROPORTIONAL TO THE RATE TO TURN OF THE AIRCRAFT ABOUT ITS YAW AXIS, MEANS FOR INTEGRATING SAID FIRST SIGNAL TO PRODUCE A SECOND SIGNAL CORRESPONDING TO THE ANGLE TURNED BY SAID AIRCRAFT ABOUT SAID YAW AXIS, MEANS FOR COMBINING SAID FIRST AND SAID SECOND SIGNALS TO PRODUCE A CONTROL SIGNAL,
Claim 2
Dependent Claim
81 words
IN AN AUTOMATIC PILOT FOR CONTROLLING AN AIRCRAFT HAVING AILERONS AND A SERVO SYSTEM FOR OPERATING SAID AILERONS, THE IMPROVEMENT WHICH COMPRISES: MEANS FOR GENERATING A FIRST SIGNAL HAVING A COMPONENT PROPORTIONAL TO THE RATE TO TURN OF THE AIRCRAFT ABOUT ITS YAW AXIS, MEANS FOR INTEGRATING SAID FIRST SIGNAL TO PRODUCE A SECOND SIGNAL CORRESPONDING TO THE ANGLE TURNED BY SAID AIRCRAFT ABOUT SAID YAW AXIS, MEANS FOR COMBINING SAID FIRST AND SAID SECOND SIGNALS TO PRODUCE A CONTROL SIGNAL,
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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) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |