US2750733A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Jet propulsion engine with pulse jet units
Assignee: Safran Aircraft Engines SAS
•
Filing: 1953-04-21
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Granted: 1956-06-19
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Expires: 1973-04-21
Abstract
No abstract record available.
Inventors
- 👤 Francois G Paris
- 👤 Foll Jean Le
- 👤 Jean H Bertin
- 👤 Marcel J Baraut
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:02
CPC Classifications
F; F02; F02K; F02K7/00; F02K7/02; F02K7/075
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2639580A
Cited
US2613496A
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US2612748A
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US2670597A
Cited
US2546966A
Cited
US2635421A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-19 | 1959-12-19 | 1960-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-19 | 1963-12-19 | 1964-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-19 | 1967-12-19 | 1968-06-19 | $7700.00 | Window Closed / Lapsed |