US3392585A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for sensing distortion in the inlet of a propulsion system
Assignee: United States Department of the Air Force
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Filing: 1966-06-08
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Granted: 1968-07-16
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Expires: 1986-06-08
Abstract
No abstract record available.
Inventors
- 👤 Charles E Bentz
- 👤 Stephen J Przybylko
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:16
CPC Classifications
F; F02; F02C; F02C7/00; F02C7/04; F02C7/057; F05; F05D; F05D2270/00; F05D2270/01; F05D2270/18
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) | 1971-07-16 | 1972-01-15 | 1972-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-16 | 1976-01-15 | 1976-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-16 | 1980-01-15 | 1980-07-16 | $7700.00 | Window Closed / Lapsed |