US2738645A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multistage turbojet engine having auxiliary nozzles located in an intermediate stage
Assignee: SO CALLED CIE ELECTRO MECANIQU
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Filing: 1950-06-16
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Granted: 1956-03-20
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Expires: 1970-06-16
Abstract
No abstract record available.
Inventors
- 👤 Destival Pierre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:13
CPC Classifications
F; F02; F02K; F02K1/00; F02K1/40; F02C; F02C7/00; F02C7/12; F02C7/16; F02C7/18; F23; F23R; F23R3/00; Y; Y02; Y02T; Y02T50/00; Y02T50/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-03-20 | 1959-09-19 | 1960-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-20 | 1963-09-19 | 1964-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-20 | 1967-09-19 | 1968-03-20 | $7700.00 | Window Closed / Lapsed |