US3367579A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Supersonic convergent-divergent jet exhaust nozzle
Assignee: United States Department of the Air Force
•
Filing: 1965-12-08
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Granted: 1968-02-06
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Expires: 1985-12-08
Abstract
No abstract record available.
Inventors
- 👤 Hans P Mehr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:03
CPC Classifications
F; F02; F02K; F02K1/00; F02K1/06; F02K1/12; F02K1/1269; F02K1/15; F02K1/18; F05; F05D; F05D2250/00; F05D2250/30; F05D2250/32; F05D2250/323; F05D2250/324
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2926491A
Cited
US3053477A
Cited
US3214904A
Cited
US3057150A
Cited
US3157027A
Cited
US3188903A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-05 | 1971-08-07 | 1972-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-05 | 1975-08-07 | 1976-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-05 | 1979-08-07 | 1980-02-06 | $7700.00 | Window Closed / Lapsed |