US2748564A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Intermittent combustion gas turbine engine
Assignee: Safran Aircraft Engines SAS
•
Filing: 1952-03-07
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Granted: 1956-06-05
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Expires: 1972-03-07
Abstract
No abstract record available.
Inventors
- 👤 Raymond H Marchal
- 👤 Francois G Paris
- 👤 Bertin Jean
- 👤 Louis A J Bauger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:25
CPC Classifications
F; F02; F02C; F02C5/00; F02C5/10; F02C5/11; Y; Y02; Y02T; Y02T50/00; Y02T50/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1180403A
Cited
US2612749A
Cited
US2515644A
Cited
US2526281A
Cited
US2543758A
Cited
CH270945A
Cited
US2593523A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-05 | 1959-12-05 | 1960-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-05 | 1963-12-05 | 1964-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-05 | 1967-12-05 | 1968-06-05 | $7700.00 | Window Closed / Lapsed |