US2935245A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas reaction rotors
Assignee: Westinghouse Electric Corp
•
Filing: 1956-12-10
•
Granted: 1960-05-03
•
Expires: 1976-12-10
Abstract
No abstract record available.
Inventors
- 👤 John E Mcdonald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:59
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/66; F04D29/68; F04D29/681; F04D29/682; F04D25/00; F04D25/02; F04D25/04; F04D25/045; F04D29/684; F05; F05D; F05D2240/00; F05D2240/20; F05D2240/30; F05D2240/304
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2305226A
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GB608703A
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US2344835A
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US2476002A
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US2597510A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-03 | 1963-11-02 | 1964-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-03 | 1967-11-02 | 1968-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-03 | 1971-11-02 | 1972-05-03 | $7700.00 | Window Closed / Lapsed |