Patent US2633830A successfully refreshed from Google Patents.
US2633830A
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Speed, acceleration, and pressure controls for servomotor systems
Assignee: HM Hobson Ltd
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Filing: 1950-06-27
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Granted: 1953-04-07
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Expires: 1970-06-27
Abstract
No abstract record available.
Inventors
- 👤 William D Mccourty
- 👤 Stanley R Tyler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:34
CPC Classifications
G; G05; G05D; G05D13/00; F; F02; F02D; F02D9/00; F02D2700/00; F02D2700/02; F02D2700/0217; F02D2700/0261; F02D2700/0266; Y; Y10; Y10T; Y10T137/00; Y10T137/0971; Y10T137/0989; Y10T137/1842; Y10T137/1939; Y10T137/2012
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2386110A
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US2358894A
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US2364116A
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US2374844A
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US2500478A
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US2407982A
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US2407115A
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US2438662A
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US2514674A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-06 | 1956-10-06 | 1957-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-06 | 1960-10-06 | 1961-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-06 | 1964-10-06 | 1965-04-07 | $7700.00 | Window Closed / Lapsed |