Patent US2692797A successfully refreshed from Google Patents.
US2692797A
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US
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Gas turbine apparatus
Assignee: Westinghouse Electric Corp
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Filing: 1949-06-10
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Granted: 1954-10-26
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Expires: 1969-06-10
Abstract
No abstract record available.
Inventors
- 👤 Cyrus F Wood
- 👤 Linn F Cummings
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:37
CPC Classifications
F; F02; F02C; F02C7/00; F02C7/22; F02C7/228; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2562; Y10T137/265; Y10T137/2655; Y10T137/2663; Y10T137/8593; Y10T137/86493; Y10T137/86509
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US860914A
Cited
DE526869C
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US1938943A
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US1995601A
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US1999834A
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GB577132A
Cited
US2411312A
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US2430264A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-10-25 | 1958-04-26 | 1958-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-10-25 | 1962-04-26 | 1962-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-10-25 | 1966-04-26 | 1966-10-26 | $7700.00 | Window Closed / Lapsed |