Patent US3413859A successfully refreshed from Google Patents.
US3413859A
Expired / Lapsed
US
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Digital rate gyro
Assignee: General Precision Systems Inc
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Filing: 1965-01-04
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Granted: 1968-12-03
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Expires: 1985-01-04
Abstract
No abstract record available.
Inventors
- 👤 Hugh E Riordan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:19
CPC Classifications
G; G01; G01P; G01P15/00; G01P15/02; G01P15/08; G01P15/097; G01C; G01C19/00; G01C19/02; G01C19/42; Y; Y10; Y10T; Y10T74/00; Y10T74/12; Y10T74/1229; Y10T74/1261; Y10T74/1275
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
IN COMBINATION, A GYRO HAVING A ROTOR SUPPORTED FOR PRECESSION, VIBRATING BEAM TRANSDUCER MEANS OPERABLE IN BOTH TENSION AND COMPRESSION FOR RESTRAINING PRECESSION OF SAID ROTOR, AND MEANS FOR VIBRATING SAID TRANSDUCER MEANS AT ITS NATURAL FREQUENCY AND PRODUCING A FREQUENCY OUTPUT PROPORTIONAL TO THE GYRO INPUT ANGULAR RATE.
Claim 2
Dependent Claim
49 words
IN COMBINATION, A GYRO HAVING A ROTOR SUPPORTED FOR PRECESSION, VIBRATING BEAM TRANSDUCER MEANS OPERABLE IN BOTH TENSION AND COMPRESSION FOR RESTRAINING PRECESSION OF SAID ROTOR, AND MEANS FOR VIBRATING SAID TRANSDUCER MEANS AT ITS NATURAL FREQUENCY AND PRODUCING A FREQUENCY OUTPUT PROPORTIONAL TO THE GYRO INPUT ANGULAR RATE.
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) | 1971-12-03 | 1972-06-03 | 1972-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-03 | 1976-06-03 | 1976-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-03 | 1980-06-03 | 1980-12-03 | $7700.00 | Window Closed / Lapsed |