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US2915655A
Expired / Lapsed
US
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Turbine-generator ventilation
Assignee: Westinghouse Electric Corp
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Filing: 1951-09-28
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Granted: 1959-12-01
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Expires: 1971-09-28
Abstract
No abstract record available.
Inventors
- 👤 Rene A Baudry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:07
CPC Classifications
H; H02; H02K; H02K9/00; H02K3/00; H02K3/04; H02K3/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE312607C
Cited
GB191221822A
Cited
US1546234A
Cited
DE574962C
Cited
FR714319A
Cited
US2221567A
Cited
US2173717A
Cited
US2295404A
Cited
US2451219A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-30 | 1963-06-01 | 1963-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-30 | 1967-06-01 | 1967-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-30 | 1971-06-01 | 1971-12-01 | $7700.00 | Window Closed / Lapsed |