US2806349A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheet metal variable area nozzle
Assignee: Solar Aircraft Co
•
Filing: 1952-12-24
•
Granted: 1957-09-17
•
Expires: 1972-12-24
Abstract
No abstract record available.
Inventors
- 👤 Robert N Yeager
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:10
CPC Classifications
F; F02; F02K; F02K1/00; F02K1/06; F02K1/12; F02K1/1207; Y; Y02; Y02T; Y02T50/00; Y02T50/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1876242A
Cited
US2597253A
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US2699645A
Cited
US2697907A
Cited
US2634578A
Cited
US2693078A
Cited
US2637163A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-16 | 1961-03-18 | 1961-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-16 | 1965-03-18 | 1965-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-16 | 1969-03-18 | 1969-09-17 | $7700.00 | Window Closed / Lapsed |