US2625793A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas turbine apparatus with air-cooling means
Assignee: Westinghouse Electric Corp
•
Filing: 1949-05-19
•
Granted: 1953-01-20
•
Expires: 1969-05-19
Abstract
No abstract record available.
Inventors
- 👤 George M Mierley
- 👤 John N Schlotter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:09
CPC Classifications
F; F01; F01D; F01D9/00; F01D9/02; F01D9/04; F01D9/041
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2432359A
Cited
DE687108C
Cited
DE696062C
Cited
US2445661A
Cited
US2479777A
Cited
US2489683A
Cited
US2488783A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-01-20 | 1956-07-21 | 1957-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-20 | 1960-07-21 | 1961-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-20 | 1964-07-21 | 1965-01-20 | $7700.00 | Window Closed / Lapsed |