US2995892A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Supersonic variable inlet
Assignee: Curtiss Wright Corp
•
Filing: 1957-02-27
•
Granted: 1961-08-15
•
Expires: 1977-02-27
Abstract
No abstract record available.
Inventors
- 👤 Robert L Kosson
- 👤 Raymond F Schaefer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:54
CPC Classifications
F; F02; F02C; F02C7/00; F02C7/04; F02C7/042; Y; Y10; Y10T; Y10T137/00; Y10T137/0536; Y10T137/0645
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2675670A
Cited
GB614548A
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US2610464A
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US2671620A
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US2570847A
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US2572723A
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US2763426A
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US2772620A
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GB750420A
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US2934898A
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US2876621A
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US2829490A
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US2870601A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-14 | 1965-02-13 | 1965-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-14 | 1969-02-13 | 1969-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-14 | 1973-02-13 | 1973-08-15 | $7700.00 | Window Closed / Lapsed |