Patent US2883151A successfully refreshed from Google Patents.
US2883151A
Expired / Lapsed
US
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Turbine cooling system
Assignee: Curtiss Wright Corp
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Filing: 1954-01-26
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Granted: 1959-04-21
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Expires: 1974-01-26
Abstract
No abstract record available.
Inventors
- 👤 Nicholas R Dolida
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:52
CPC Classifications
F; F01; F01D; F01D5/00; F01D5/02; F01D5/08; F01D5/085; F01D5/088
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR478970A
Cited
US2149510A
Cited
CH195736A
Cited
CH229933A
Cited
US2369795A
Cited
GB623841A
Cited
US2650060A
Cited
GB666159A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-20 | 1962-10-20 | 1963-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-20 | 1966-10-20 | 1967-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-20 | 1970-10-20 | 1971-04-21 | $7700.00 | Window Closed / Lapsed |