Patent US2755422A successfully refreshed from Google Patents.
US2755422A
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Record-reproduce programming control system for electric motors
Assignee: General Electric Co
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Filing: 1953-08-14
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Granted: 1956-07-17
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Expires: 1973-08-14
Abstract
No abstract record available.
Inventors
- 👤 Orrin W Livingston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:46
CPC Classifications
G; G05; G05B; G05B19/00; G05B19/02; G05B19/42; G05B19/425; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/30084; Y10T409/300896
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2133365A
Cited
US2436582A
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US2502215A
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US2439446A
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US2475245A
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US2537770A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-07-17 | 1960-01-16 | 1960-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-17 | 1964-01-16 | 1964-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-17 | 1968-01-16 | 1968-07-17 | $7700.00 | Window Closed / Lapsed |