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US2940252A
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US
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Gas stream thrust reaction propulsion engines with noise-suppression and thrust-reversing nozzle means
Assignee: Boeing Co
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Filing: 1956-02-07
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Granted: 1960-06-14
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Expires: 1976-02-07
Abstract
No abstract record available.
Inventors
- 👤 William A Reinhart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:35
CPC Classifications
F; F02; F02K; F02K1/00; F02K1/38; F02K1/386; F02K1/54; F02K1/56; F02K1/62
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) | 1963-06-14 | 1963-12-14 | 1964-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-14 | 1967-12-14 | 1968-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-14 | 1971-12-14 | 1972-06-14 | $7700.00 | Window Closed / Lapsed |