US2930186A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Discharge nozzles for propulsive jets
Assignee: Individual
•
Filing: 1955-11-25
•
Granted: 1960-03-29
•
Expires: 1975-11-25
Abstract
No abstract record available.
Inventors
- 👤 Ashwood Peter Frederick
- 👤 Grosse George William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:44
CPC Classifications
F; F02; F02K; F02K1/00; F02K1/06; F02K1/11
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US887633A
Cited
US1748174A
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GB588501A
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US2699645A
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US2608820A
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US2680948A
Cited
US2546293A
Cited
US2603062A
Cited
US2682147A
Cited
US2858668A
Cited
BE526525A
Cited
US2746243A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-29 | 1963-09-28 | 1964-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-29 | 1967-09-28 | 1968-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-29 | 1971-09-28 | 1972-03-29 | $7700.00 | Window Closed / Lapsed |