US2631429A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cooling arrangement for radial flow gas turbines having coaxial combustors
Assignee: Individual
•
Filing: 1948-06-08
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Granted: 1953-03-17
•
Expires: 1968-06-08
Abstract
No abstract record available.
Inventors
- 👤 Jr Harold M Jacklin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:14
CPC Classifications
F; F02; F02C; F02C3/00; F02C3/04; F02C3/045; F02C3/05; F01; F01D; F01D3/00; F01D3/02; F02C3/14; F02C3/145; F02C3/16; F23; F23R; F23R3/00; F23R3/42; F23R3/54
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR383966A
Cited
US1960810A
Cited
US2358815A
Cited
US2243467A
Cited
US2333053A
Cited
US2369795A
Cited
US2392622A
Cited
US2471892A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-16 | 1956-09-15 | 1957-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-16 | 1960-09-15 | 1961-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-16 | 1964-09-15 | 1965-03-17 | $7700.00 | Window Closed / Lapsed |