Patent US2307077A successfully refreshed from Google Patents.
US2307077A
Expired / Lapsed
US
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Motor control system
Assignee: Westinghouse Electric Corp
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Filing: 1940-07-19
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Granted: 1943-01-05
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Expires: 1960-07-19
Abstract
No abstract record available.
Inventors
- 👤 Maurice E Reagan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:52
CPC Classifications
G; G05; G05B; G05B11/00; G05B11/01; G05B11/012; E; E02; E02B; E02B7/00; E02B7/20; E02B7/205; F; F22; F22D; F22D5/00; F22D5/08; F22D5/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1946-01-04 | 1946-07-06 | 1947-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-01-04 | 1950-07-06 | 1951-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-01-04 | 1954-07-06 | 1955-01-05 | $7700.00 | Window Closed / Lapsed |