US3143889A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Angular velocity measuring device
Assignee: Westinghouse Electric Corp
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Filing: 1960-08-23
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Granted: 1964-08-11
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Expires: 1980-08-23
Abstract
No abstract record available.
Inventors
- 👤 Arthur L Simmons
- 👤 David W Roese
- 👤 John W Dzimianski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:49
CPC Classifications
G; G01; G01C; G01C19/00; G01C19/56; Y; Y10; Y10T; Y10T74/00; Y10T74/12
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
137 words
IN A VIBRATORY GYRO DEVICE, A SYMMETRICAL ELEMENT OF UNIFORM CROSS-SECTIONAL MASS DISTRIBUTION AND OF A MATERIAL EXHIBITING AN INTERNAL VIBRATORY STRAIN REACTION TO AN ALTERNATING ELECTRICAL EXCITATION AND EXHIBITING AN ALTERNATING ELECTRICAL CHARACTERISTIC RESPOSIVELY TO AN ALTERNATING STRAIN, SAID ELEMENT BEING CONSTRUCTED AND ARRANGED FOR INTERNAL VIBRATION IN A DRIVEN MODE NORMAL TO AND IN OPPOSED RELATIONSHIP AT OPPOSITE SIDES OF AN AXIS OF SYMMETRY OF SAID ELEMENT AND FOR INTERNAL VIBRATION IN AN OUTPUT MODE IN OPPOSED RELATIONSHIP AT OPPOSITE SIDES OF SAID AXIS OF SYMMETRY RESPONSIVELY TO BEING TURNED ABOUT SAID AXIS WHILE VIBRATING IN SAID DRIVEN MODE, SAID OUTPUT MODE BEING A VIBRATORY MODE DIFFERENT THAN SAID DRIVEN MODE, A MOUNTING MEMBER SUPPORTING SAID ELEMENT IN A NODAL REGION OF VIBRATION IN BOTH INPUT AND OUTPUT MODES, AND MEANS FOR INTRODUCING SAID ELECTRICAL
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) | 1967-08-11 | 1968-02-10 | 1968-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-11 | 1972-02-10 | 1972-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-11 | 1976-02-10 | 1976-08-11 | $7700.00 | Window Closed / Lapsed |