US2986929A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure ratio indicator and controller for variable area nozzle
Assignee: Solar Aircraft Co
•
Filing: 1957-04-22
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Granted: 1961-06-06
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Expires: 1977-04-22
Abstract
No abstract record available.
Inventors
- 👤 Wendell E Reed
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 12:22
CPC Classifications
F; F02; F02K; F02K1/00; F02K1/06; F02K1/15; Y; Y02; Y02T; Y02T50/00; Y02T50/60; Y10; Y10T; Y10T137/00; Y10T137/2278; Y10T137/2409
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2804084A
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US2818703A
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US2925710A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-05 | 1964-12-05 | 1965-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-05 | 1968-12-05 | 1969-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-05 | 1972-12-05 | 1973-06-06 | $7700.00 | Window Closed / Lapsed |