Patent US2913146A successfully refreshed from Google Patents.
US2913146A
Expired / Lapsed
US
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Motor control apparatus
Assignee: Westinghouse Electric Corp
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Filing: 1957-09-24
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Granted: 1959-11-17
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Expires: 1977-09-24
Abstract
No abstract record available.
Inventors
- 👤 Henry A Dickerson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:46
CPC Classifications
G; G01; G01G; G01G11/00; G01G11/08; G05; G05D; G05D7/00; G05D7/06; G05D7/0605
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-16 | 1963-05-18 | 1963-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-16 | 1967-05-18 | 1967-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-16 | 1971-05-18 | 1971-11-17 | $7700.00 | Window Closed / Lapsed |