US3209775A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bias device for pure fluid amplifier
Assignee: Bowles Engineering Corp
•
Filing: 1962-12-07
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Granted: 1965-10-05
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Expires: 1982-12-07
Abstract
No abstract record available.
Inventors
- 👤 Edwin M Dexter
- 👤 Jones Donnie Roland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:12
CPC Classifications
F; F15; F15C; F15C1/00; F15C1/08; Y; Y10; Y10T; Y10T137/00; Y10T137/206; Y10T137/218; Y10T137/2202; Y10T137/2267
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
IN A FLUID AMPLIFYING SYSTEM INCLUDING A POWER NOZZLE HAVING A CONSTRICTED THROAT AND A CHAMBER FOR RECEIVING A POWER STREAM FROM SAID THROAT, THE IMPROVEMENT COMPRISING AN AIRFOIL POSITIONED WHOLLY UPSTREAM OF SAID THROAT AND MOUNTED FOR ROTATIVE MOVEMENT ABOUT AN AXIS PERPENDICULAR TO THE DIRECTION OF FLOW IN SAID NOZZLE AND MEANS CONNECTED TO SAID AIRFOIL FOR EFFECTING ANGULAR DISPLACEMENT THEREOF, SAID AIRFOIL GENERATING BOUNDARY LAYER
Claim 2
Dependent Claim
68 words
IN A FLUID AMPLIFYING SYSTEM INCLUDING A POWER NOZZLE HAVING A CONSTRICTED THROAT AND A CHAMBER FOR RECEIVING A POWER STREAM FROM SAID THROAT, THE IMPROVEMENT COMPRISING AN AIRFOIL POSITIONED WHOLLY UPSTREAM OF SAID THROAT AND MOUNTED FOR ROTATIVE MOVEMENT ABOUT AN AXIS PERPENDICULAR TO THE DIRECTION OF FLOW IN SAID NOZZLE AND MEANS CONNECTED TO SAID AIRFOIL FOR EFFECTING ANGULAR DISPLACEMENT THEREOF, SAID AIRFOIL GENERATING BOUNDARY LAYER
References Cited (Backward Citations)
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Cited
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US3080886A
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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) | 1968-10-04 | 1969-04-05 | 1969-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-04 | 1973-04-05 | 1973-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-04 | 1977-04-05 | 1977-10-05 | $7700.00 | Window Closed / Lapsed |