US3525474A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Jet pump or thrust augmentor
Assignee: United States Department of the Air Force
•
Filing: 1968-12-09
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Granted: 1970-08-25
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Expires: 1988-12-09
Abstract
No abstract record available.
Inventors
- 👤 Hans J P Von Ohain
- 👤 Roscoe H Mills
- 👤 Charles A Scolatti
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:29
CPC Classifications
F; F02; F02K; F02K1/00; F02K1/36; F02C; F02C7/00; F02C7/04; F02C7/057; F04; F04F; F04F5/00; F04F5/44; F04F5/46; F04F5/466
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) | 1973-08-24 | 1974-02-23 | 1974-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-24 | 1978-02-23 | 1978-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-24 | 1982-02-23 | 1982-08-25 | $7700.00 | Window Closed / Lapsed |