US2876404A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mechanically rebalanced servosystem
Assignee: Schneider Electric Systems USA Inc
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Filing: 1956-09-25
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Granted: 1959-03-03
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Expires: 1976-09-25
Abstract
No abstract record available.
Inventors
- 👤 Fred W Hannula
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:25
CPC Classifications
H; H01; H01H; H01H43/00; H01H43/24; H01H43/28; G; G01; G01R; G01R17/00; G01R17/02; G01R17/06; G01R17/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB149611A
Cited
US2602660A
Cited
US2688253A
Cited
US2686893A
Cited
US2720598A
Cited
US2751576A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-02 | 1962-09-01 | 1963-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-02 | 1966-09-01 | 1967-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-02 | 1970-09-01 | 1971-03-03 | $7700.00 | Window Closed / Lapsed |