US3000177A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple-flow jet-propulsion engines
Assignee: Safran Aircraft Engines SAS
•
Filing: 1957-07-05
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Granted: 1961-09-19
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Expires: 1977-07-05
Abstract
No abstract record available.
Inventors
- 👤 Logerot Rene Paul
- 👤 Munzberg Hans Georg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 02:24
CPC Classifications
F; F02; F02K; F02K1/00; F02K1/28; F02K1/30; F02K3/00; F02K3/08; F02K3/105; F02K3/11; F02K7/00; F02K7/10; F02K7/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2672726A
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FR1030483A
Cited
FR63348E
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FR1050948A
Cited
GB745673A
Cited
US2807137A
Cited
FR65303E
Cited
FR1114647A
Cited
FR1130131A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-18 | 1965-03-20 | 1965-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-18 | 1969-03-20 | 1969-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-18 | 1973-03-20 | 1973-09-19 | $7700.00 | Window Closed / Lapsed |