Patent US3331381A successfully refreshed from Google Patents.
US3331381A
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Assignee: Unisys Corp
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Filing: 1964-12-07
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Granted: 1967-07-18
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Expires: 1984-12-07
Abstract
No abstract record available.
Inventors
- 👤 Jr Richard J Quigley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:31
CPC Classifications
F; F15; F15C; F15C1/00; F15C1/14; F15C1/143; Y; Y10; Y10T; Y10T137/00; Y10T137/206; Y10T137/212; Y10T137/2125; Y10T137/2147; Y10T137/2158; Y10T137/2229; Y10T137/224; Y10T137/2245
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
201 words
A FLUID FLIP-FLOP, COMPRISING IN COMBINATION: A FLUID AMPLIFIER HAVING FIRST AND SECOND OUTPUT CHANNELS AND AN INPUT CHANNEL IN ALIGNMENT WITH SAID FIRST OUTPUT CHANNEL, MEANS CONNECTED TO SAID INPUT CHANNEL NORMALLY DIRECTING A FLUID POWER STREAM THROUGH SAID FIRST OUTPUT CHANNEL, CONTROL CHANNEL MEANS CONNECTED TO SAID FLUID AMPLIFIER FOR DEFLECTING SAID POWER STREAM THROUGH SAID SECOND OUTPUT CHANNEL IN RESPONSE TO A FLUID SIGNAL BEING APPLIED TO SAID CONTROL CHANNEL, FEEDBACK MEANS CONNECTING THE SAID SECOND OUTPUT CHANNEL TO SAID CONTROL CHANNEL, SAID FEEDBACK MEANS COMPRISING A FLUID SWITCHING DEVICE HAVING A FIRST INPUT CHANNEL AND A FIRST OUTPUT CHANNEL FOR RECEIVING THE FLUID FROM SAID FIRST INPUT CHANNEL, THE FIRST INPUT AND OUTPUT CHANNELS OF SAID SWITCHING DEVICE BEING CONNECTED IN SERIES WITH SAID FEEDBACK MEANS WHEREBY WHEN A FLUID SIGNAL IS APPLIED TO SAID CONTROL CHANNEL THE SAID POWER STREAM IS DEFLECTED TO SAID SECOND OUTPUT CHANNEL AND IS MAINTAINED IN SAID SECOND CHANNEL BY SAID FEEDBACK MEANS, AND A SECOND INPUT CHANNEL CONNECTED TO SAID FLUID SWITCHING DEVICE OPERATIVE WHEN A FLUID SIGNAL IS APPLIED THERETO DEFLECT THE FLUID FROM THE FIRST INPUT CHANNEL OF THE SWITCHING DEVICE AWAY FROM THE FIRST OUTPUT CHANNEL THEREOF.
Claim 2
Dependent Claim
201 words
A FLUID FLIP-FLOP, COMPRISING IN COMBINATION: A FLUID AMPLIFIER HAVING FIRST AND SECOND OUTPUT CHANNELS AND AN INPUT CHANNEL IN ALIGNMENT WITH SAID FIRST OUTPUT CHANNEL, MEANS CONNECTED TO SAID INPUT CHANNEL NORMALLY DIRECTING A FLUID POWER STREAM THROUGH SAID FIRST OUTPUT CHANNEL, CONTROL CHANNEL MEANS CONNECTED TO SAID FLUID AMPLIFIER FOR DEFLECTING SAID POWER STREAM THROUGH SAID SECOND OUTPUT CHANNEL IN RESPONSE TO A FLUID SIGNAL BEING APPLIED TO SAID CONTROL CHANNEL, FEEDBACK MEANS CONNECTING THE SAID SECOND OUTPUT CHANNEL TO SAID CONTROL CHANNEL, SAID FEEDBACK MEANS COMPRISING A FLUID SWITCHING DEVICE HAVING A FIRST INPUT CHANNEL AND A FIRST OUTPUT CHANNEL FOR RECEIVING THE FLUID FROM SAID FIRST INPUT CHANNEL, THE FIRST INPUT AND OUTPUT CHANNELS OF SAID SWITCHING DEVICE BEING CONNECTED IN SERIES WITH SAID FEEDBACK MEANS WHEREBY WHEN A FLUID SIGNAL IS APPLIED TO SAID CONTROL CHANNEL THE SAID POWER STREAM IS DEFLECTED TO SAID SECOND OUTPUT CHANNEL AND IS MAINTAINED IN SAID SECOND CHANNEL BY SAID FEEDBACK MEANS, AND A SECOND INPUT CHANNEL CONNECTED TO SAID FLUID SWITCHING DEVICE OPERATIVE WHEN A FLUID SIGNAL IS APPLIED THERETO DEFLECT THE FLUID FROM THE FIRST INPUT CHANNEL OF THE SWITCHING DEVICE AWAY FROM THE FIRST OUTPUT CHANNEL THEREOF.
References Cited (Backward Citations)
US3185166A
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US3226023A
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US3240219A
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US3240220A
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US3246661A
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US3227368A
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US3243113A
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US3248053A
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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) | 1970-07-17 | 1971-01-16 | 1971-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-17 | 1975-01-16 | 1975-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-17 | 1979-01-16 | 1979-07-18 | $7700.00 | Window Closed / Lapsed |