Patent US2951340A successfully refreshed from Google Patents.
US2951340A
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Gas turbine with control mechanism for turbine cooling air
Assignee: Curtiss Wright Corp
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Filing: 1956-01-03
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Granted: 1960-09-06
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Expires: 1976-01-03
Abstract
No abstract record available.
Inventors
- 👤 Werner E Howald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:16
CPC Classifications
F; F02; F02C; F02C7/00; F02C7/12; F02C7/16; F02C7/18; F01; F01D; F01D5/00; F01D5/02; F01D5/08; F01D5/081; Y; Y02; Y02T; Y02T50/00; Y02T50/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2490913A
Cited
US2656096A
Cited
CH272069A
Cited
US2664916A
Cited
FR1097374A
Cited
US2811833A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-06 | 1964-03-07 | 1964-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-06 | 1968-03-07 | 1968-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-06 | 1972-03-07 | 1972-09-06 | $7700.00 | Window Closed / Lapsed |