US2637164A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Jet spoiling means for aircraft gas turbines
Assignee: Power Jets Research and Development Ltd
•
Filing: 1946-03-08
•
Granted: 1953-05-05
•
Expires: 1966-03-08
Abstract
No abstract record available.
Inventors
- 👤 Robson Arthur Rynyon Devereux
- 👤 Johnstone Alexander Pearce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:20
CPC Classifications
F; F02; F02K; F02K1/00; F02K1/54; F02K1/56; B; B63; B63H; B63H11/00; B63H11/12; B64; B64D; B64D33/00; B64D33/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US340237A
Cited
US1306913A
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GB190514631A
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GB103325A
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US1344518A
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US1415705A
Cited
US1572812A
Cited
US1714917A
Cited
DE580174C
Cited
US2094707A
Cited
US2396911A
Cited
US2418428A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-05-04 | 1956-11-03 | 1957-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-04 | 1960-11-03 | 1961-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-04 | 1964-11-03 | 1965-05-05 | $7700.00 | Window Closed / Lapsed |