Patent US3073553A successfully refreshed from Google Patents.
US3073553A
Expired / Lapsed
US
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Automatic control system for dirigible craft
Assignee: Unisys Corp
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Filing: 1959-12-02
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Granted: 1963-01-15
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Expires: 1979-12-02
Abstract
No abstract record available.
Inventors
- 👤 Charles H Coleman
- 👤 Rowland H Wagner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 09:50
CPC Classifications
G; G05; G05D; G05D1/00; G05D1/04; G05D1/042; G05D1/044
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
81 words
IN AN AUTOMATIC PILOT FOR DIRIGIBLE CRAFT HAVING A RUDDER, FIRST AND SECOND ACCELERATION SENSING MEANS MOUNTED IN SAID CRAFT AND ADAPTED TO BE DISPLACED IN PROPORTION TO CRAFT ACCELERATIONS IN YAW AND ROLL FOR PROVIDING A SIGNAL PROPORTIONAL TO THE COMBINED ANGULAR ACCELERATIONS OF THE CRAFT IN YAW AND ROLL, INTEGRATING MEANS RESPONSIVE TO SAID SIGNAL FOR PROVIDING A SIGNAL REPRESENTATIVE OF THE INTEGRAL THEREOF, AND SERVO MEANS RESPONSIVE TO SAID INTEGRAL SIGNAL FOR CONTROLLING THE RUDDER IN ACCORDANCE THEREWITH.
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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) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |