US2811827A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Balanced jet nozzle and cooling means therefor
Assignee: Solar Aircraft Co
•
Filing: 1953-06-30
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Granted: 1957-11-05
•
Expires: 1973-06-30
Abstract
No abstract record available.
Inventors
- 👤 Kress Ralph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:00
CPC Classifications
F; F02; F02K; F02K1/00; F02K1/78; F02K1/82; F02K1/822; F01; F01D; F01D9/00; F01D9/06; F01D9/065; F02K1/06; F02K1/08; F02K1/09; Y; Y02; Y02T; Y02T50/00; Y02T50/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2510506A
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US2575735A
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US2570629A
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US2540594A
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US2573982A
Cited
US2483401A
Cited
US2641104A
Cited
US2630673A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-11-04 | 1961-05-06 | 1961-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-04 | 1965-05-06 | 1965-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-04 | 1969-05-06 | 1969-11-05 | $7700.00 | Window Closed / Lapsed |