US3526144A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Servo torque balance dc rate gyro
Assignee: Systron Donner Corp
•
Filing: 1966-11-09
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Granted: 1970-09-01
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Expires: 1986-11-09
Abstract
No abstract record available.
Inventors
- 👤 Philip G Leigh
- 👤 Edward G Seavey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:36
CPC Classifications
G; G01; G01C; G01C19/00; G01C19/02; G01C19/04; G01C19/28; G01C19/42; Y; Y10; Y10T; Y10T74/00; Y10T74/12; Y10T74/1229; Y10T74/1257; Y10T74/1261; Y10T74/1279
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2929250A
Cited
US2955472A
Cited
US3142991A
Cited
US3225607A
Cited
US3362232A
Cited
US3359806A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-31 | 1974-03-02 | 1974-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-31 | 1978-03-02 | 1978-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-31 | 1982-03-02 | 1982-09-01 | $7700.00 | Window Closed / Lapsed |