Patent US3000178A successfully refreshed from Google Patents.
US3000178A
Expired / Lapsed
US
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Ejection nozzles having variable cross-sectional area
Assignee: Safran Aircraft Engines SAS
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Filing: 1958-08-05
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Granted: 1961-09-19
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Expires: 1978-08-05
Abstract
No abstract record available.
Inventors
- 👤 Logerot Rene Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 16:53
CPC Classifications
F; F02; F02K; F02K1/00; F02K1/28; F02K1/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1620707A
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US2408603A
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US2812636A
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FR1030483A
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US2703959A
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GB745697A
Cited
GB759659A
Cited
FR65303E
Cited
US2780056A
Cited
US2763984A
Cited
FR1140440A
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 |