US2780739A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conductor-ventilated turbinegenerators
Assignee: Westinghouse Electric Corp
•
Filing: 1951-09-28
•
Granted: 1957-02-05
•
Expires: 1971-09-28
Abstract
No abstract record available.
Inventors
- 👤 Rene A Baudry
- 👤 Paul R Heller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:14
CPC Classifications
H; H02; H02K; H02K3/00; H02K3/04; H02K3/24; H02K9/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB191221822A
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US1170192A
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US1384864A
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US1478252A
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CH96214A
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US1559182A
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US1546234A
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FR714319A
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CH172839A
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GB459729A
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US2221567A
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US2416989A
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US2484214A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-02-05 | 1960-08-06 | 1961-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-02-05 | 1964-08-06 | 1965-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-02-05 | 1968-08-06 | 1969-02-05 | $7700.00 | Window Closed / Lapsed |