US3137260A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control system
Assignee: Unisys Corp
•
Filing: 1962-04-03
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Granted: 1964-06-16
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Expires: 1982-04-03
Abstract
No abstract record available.
Inventors
- 👤 Jr Henry E Harris
- 👤 Thomas F Noble
- 👤 Virgel E Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:28
CPC Classifications
B; B63; B63B; B63B1/00; B63B1/16; B63B1/24; B63B1/28; B63B1/285; B63B1/286
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
APPARATUS FOR CONTROLLING A CRAFT COMPRISING MEANS PROVIDING AN ERROR SIGNAL PROPORTIONAL TO THE DIFFERENCE BETWEEN A COMMANDED ATTITUDE AND A REFERENCE ATTITUDE FOR COMMANDING CRAFT MOTION ABOUT A FIRST CRAFT AXIS, MEANS PROVIDING A SIGNAL PROPORTIONAL TO AN UNCOMMANDED MOTION SUBSTANTIALLY ALONG A DIFFERENT CRAFT AXIS OCCURRING SIMULTANEOUSLY WITH SAID COMMANDED MOTION.
Claim 2
Dependent Claim
53 words
APPARATUS FOR CONTROLLING A CRAFT COMPRISING MEANS PROVIDING AN ERROR SIGNAL PROPORTIONAL TO THE DIFFERENCE BETWEEN A COMMANDED ATTITUDE AND A REFERENCE ATTITUDE FOR COMMANDING CRAFT MOTION ABOUT A FIRST CRAFT AXIS, MEANS PROVIDING A SIGNAL PROPORTIONAL TO AN UNCOMMANDED MOTION SUBSTANTIALLY ALONG A DIFFERENT CRAFT AXIS OCCURRING SIMULTANEOUSLY WITH SAID COMMANDED MOTION.
References Cited (Backward Citations)
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Cited
US2986109A
Cited
US2977070A
Cited
US2998946A
Cited
US3070332A
Cited
US3081728A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-16 | 1967-12-16 | 1968-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-16 | 1971-12-16 | 1972-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-16 | 1975-12-16 | 1976-06-16 | $7700.00 | Window Closed / Lapsed |