Patent US3279488A successfully refreshed from Google Patents.
US3279488A
Expired / Lapsed
US
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Analog amplifier cross vent
Assignee: Bowles Engineering Corp
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Filing: 1963-06-07
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Granted: 1966-10-18
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Expires: 1983-06-07
Abstract
No abstract record available.
Inventors
- 👤 Jones Donnie Roland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:56
CPC Classifications
F; F15; F15C; F15C1/00; F15C1/14; Y; Y10; Y10T; Y10T137/00; Y10T137/206; Y10T137/2229; Y10T137/2251; Y10T137/2256; Y10T137/2262
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
88 words
A PURE FLUID, ANALOG AMPLIFIER COMPRISING AT LEAST TWO FLUID RECEIVING REGIONS, AN INTERACTION REGION, MEANS FOR ISSUING A POWER STREAM OF FLUID THROUGH SAID INTERACTION REGION TOWARD SAID RECEIVING REGIONS, MEANS FOR DIRECTING A CONTROL STREAM OF FLUID AGAINST SAID POWER STREAM IN SAID INTERACTION REGION, A TOP AND A BOTTOM WALL DEFINING TWO SIDES OF SAID INTERACTION REGION, SAID WALLS CONFINING SAID POWER STREAM TO ITS PLANE OF DEFLECTION AS DETERMINED BY SAID CONTROL STREAM, A CROSS VENT SYMMETRICAL WITH RESPECT TO THE UNDEFLECTED POWER STREAM
References Cited (Backward Citations)
US3181545A
Cited
US3209774A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-17 | 1970-04-18 | 1970-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-17 | 1974-04-18 | 1974-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-17 | 1978-04-18 | 1978-10-18 | $7700.00 | Window Closed / Lapsed |