US3050937A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reversible thrust jet engines and controls therefor
Assignee: Boeing Co
•
Filing: 1958-06-09
•
Granted: 1962-08-28
•
Expires: 1978-06-09
Abstract
No abstract record available.
Inventors
- 👤 Varnell L R James
- 👤 Raymond E Pearson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:28
CPC Classifications
F; F02; F02K; F02K1/00; F02K1/54; F02K1/56; F02K1/60; F02K1/605; F02K1/76; Y; Y02; Y02T; Y02T50/00; Y02T50/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2664959A
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US2681548A
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GB764907A
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US2780058A
Cited
GB739500A
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US2847823A
Cited
US2912193A
Cited
US2945347A
Cited
US2919545A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-27 | 1966-02-26 | 1966-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-27 | 1970-02-26 | 1970-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-27 | 1974-02-26 | 1974-08-28 | $7700.00 | Window Closed / Lapsed |