Patent US2932785A successfully refreshed from Google Patents.
US2932785A
Expired / Lapsed
US
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Servo system
Assignee: JOHN P WUERTHNER
•
Filing: 1956-08-06
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Granted: 1960-04-12
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Expires: 1976-08-06
Abstract
No abstract record available.
Inventors
- 👤 Folke C Shovic
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:54
CPC Classifications
G; G05; G05D; G05D3/00; G05D3/12; G05D3/14; G05D3/1472; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/19; Y10T74/19535
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US597200A
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US1540121A
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US1844973A
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US1842368A
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US2024385A
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US2173798A
Cited
US2468453A
Cited
US2271207A
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US2751028A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-12 | 1963-10-12 | 1964-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-12 | 1967-10-12 | 1968-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-12 | 1971-10-12 | 1972-04-12 | $7700.00 | Window Closed / Lapsed |