Patent US3030503A successfully refreshed from Google Patents.
Patent US2677233A successfully refreshed from Google Patents.
US2677233A
Expired / Lapsed
US
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Exhaust nozzle switch responsive to afterburner pressure ratio
Assignee: RTX Corp
•
Filing: 1949-06-30
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Granted: 1954-05-04
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Expires: 1969-06-30
Abstract
No abstract record available.
Inventors
- 👤 Donald J Jordan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:36
CPC Classifications
F; F02; F02K; F02K1/00; F02K1/06; F02K1/15
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB587558A
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US2566961A
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US2537772A
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US2452500A
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US2514248A
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US2580962A
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US2444163A
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US2457595A
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US2540594A
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US2545703A
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US2483401A
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US2520967A
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US2498939A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-03 | 1957-11-02 | 1958-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-03 | 1961-11-02 | 1962-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-03 | 1965-11-02 | 1966-05-04 | $7700.00 | Window Closed / Lapsed |