US2484247A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means to open generator field circuit and to dissipate stored magnetic field energy
Assignee: Westinghouse Electric Corp
•
Filing: 1945-10-08
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Granted: 1949-10-11
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Expires: 1965-10-08
Abstract
No abstract record available.
Inventors
- 👤 Elmer G Ratz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:49
CPC Classifications
H; H02; H02H; H02H7/00; H02H7/06; H02P; H02P9/00; H02P9/10; H02P9/12; H02P9/123
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1287244A
Cited
US1867417A
Cited
US1870064A
Cited
US2169029A
Cited
US2262651A
Cited
US2342845A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-10 | 1953-04-11 | 1953-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-10 | 1957-04-11 | 1957-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-10 | 1961-04-11 | 1961-10-11 | $7700.00 | Window Closed / Lapsed |