US3299255A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid data comparator
Assignee: Unisys Corp
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Filing: 1962-10-18
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Granted: 1967-01-17
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Expires: 1982-10-18
Abstract
No abstract record available.
Inventors
- 👤 Bauer Peter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:43
CPC Classifications
F; F15; F15C; F15C1/00; F15C1/08; F15C1/10; F15C1/001; G; G06; G06F; G06F7/00; G06F7/02; Y; Y10; Y10T; Y10T137/00; Y10T137/206; Y10T137/2065; Y10T137/212; Y10T137/2125
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
A PURE FLUID OPERATED DEVICE FOR PERFORMING THE EXCLUSIVE-OR LOGICAL FUNCTION ON FIRST AND SECOND FLUID SIGNALS, SAID DEVICE COMPRISING: FIRST AND SECOND PURE FLUID AMPLIFIERS, EACH OF SAID AMPLIFIERS HAVING A POWER STREAM INPUT CHANNEL, FIRST AND SECOND OUTPUT CHANNELS AND A CONTROL SIGNAL INPUT CHANNEL, SAID CHANNELS INTERSECTING WHEREBY A POWER STREAM EMERGING FROM SAID POWER STREAM CHANNEL NORMALLY FLOWS INTO SAID FIRST OUTPUT CHANNEL BUT FLOWS INTO SAID SECOND OUTPUT CHANNEL IN RESPONSE TO A CONTROL SIGNAL APPLIED TO SAID CONTROL SIGNAL INPUT CHANNEL; MEANS FOR APPLYING SAID FIRST FLUID SIGNAL TO SAID POWER STREAM INPUT CHANNEL OF SAID FIRST AMPLIFIER AND SAID CONTROL SIGNAL INPUT CHANNEL OF SAID SECOND AMPLIFIER; MEANS FOR APPLYING
Claim 2
Dependent Claim
117 words
A PURE FLUID OPERATED DEVICE FOR PERFORMING THE EXCLUSIVE-OR LOGICAL FUNCTION ON FIRST AND SECOND FLUID SIGNALS, SAID DEVICE COMPRISING: FIRST AND SECOND PURE FLUID AMPLIFIERS, EACH OF SAID AMPLIFIERS HAVING A POWER STREAM INPUT CHANNEL, FIRST AND SECOND OUTPUT CHANNELS AND A CONTROL SIGNAL INPUT CHANNEL, SAID CHANNELS INTERSECTING WHEREBY A POWER STREAM EMERGING FROM SAID POWER STREAM CHANNEL NORMALLY FLOWS INTO SAID FIRST OUTPUT CHANNEL BUT FLOWS INTO SAID SECOND OUTPUT CHANNEL IN RESPONSE TO A CONTROL SIGNAL APPLIED TO SAID CONTROL SIGNAL INPUT CHANNEL; MEANS FOR APPLYING SAID FIRST FLUID SIGNAL TO SAID POWER STREAM INPUT CHANNEL OF SAID FIRST AMPLIFIER AND SAID CONTROL SIGNAL INPUT CHANNEL OF SAID SECOND AMPLIFIER; MEANS FOR APPLYING
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-16 | 1970-07-18 | 1971-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-16 | 1974-07-18 | 1975-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-16 | 1978-07-18 | 1979-01-17 | $7700.00 | Window Closed / Lapsed |