Patent US3267948A successfully refreshed from Google Patents.
US3267948A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid logic apparatus
Assignee: Unisys Corp
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Filing: 1963-08-15
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Granted: 1966-08-23
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Expires: 1983-08-15
Abstract
No abstract record available.
Inventors
- 👤 Groeber Eugen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:10
CPC Classifications
F; F15; F15C; F15C1/00; F15C1/08; F15C1/10; Y; Y10; Y10T; Y10T137/00; Y10T137/206; Y10T137/212; Y10T137/2125; Y10T137/2267
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
231 words
A PURE FLUID LOGIC DEVICE COMPRISING: (A) A PAIR OF MONOSTABLE FLUID LOGIC ELEMENTS, (B) EACH OF SAID ELEMENTS HAVING AN INPUT CHANNEL FOR DEFINING A PATH OF POWER STREAM FLUID FLOW, FIRST AND SECOND OUTPUT CHANNELS EACH DEFINING A PATH OF FLUID FLOW, A CHAMBER FORMED BY THE INTERSECTION OF SAID INPUT CHANNEL AND SAID OUTPUT CHANNELS, AND A CONTROL SIGNAL CHANNEL CONNECTED TO SAID CHAMBER FOR DEFINING A PATH OF CONTROL STREAM FLUID FLOW COOPERATIVE WITH SAID POWER STREAM FLUD FLOW, SAID CHAMBER BEING SO CONSTRUCTED THAT POWER STREAM FLUID FROM SAID INPUT CHANNEL TENDS TO FLOW THROUGH SAID FIRST OUTPUT CHANNEL IN THE ABSENCE OF CONTROL STREAM FLUID FLOW, WHILE IN THE PRESENCE OF SAID CONTROL STREAM FLUID FLOW SAID POWER STREAM FLUID TENDS TO FLOW THROUGH SAID SECOND OUTPUT CHANNEL, (C) SAID FIRST OUTPUT CHANNELS OF SAID PAIR OF ELEMENTS BEING DIRECTLY CONNECTED TO FORM A FIRST COMMON OUTPUT CHANNEL, (D) SAID SECOND OUTPUT CHANNELS OF SAID PAIR OF ELEMENTS BEING DIRECTLY CONNECTED TO FORM A SECOND COMMON OUTPUT CHANNEL, (E) NAND GATE MEANS CONNECTED TO SAID FIRST COMMON OUTPUT CHANNEL FOR PROVIDING A NAND SIGNAL WHEN CONTROL SIGNALS ARE APPLIED SIMULANEOUSLY TO SAID CONTROL SIGNAL CHANNELS, AND (F) OR GATE MEANS CONNECTED TO SAID SECOND COMMON OUTPUT CHANNEL FOR PROVIDING AN OR SIGNAL WHEN A CONTROL SIGNAL IS APPLIED TO ONE OF SAID CONTROL SIGNAL CHANNELS.
Claim 2
Dependent Claim
231 words
A PURE FLUID LOGIC DEVICE COMPRISING: (A) A PAIR OF MONOSTABLE FLUID LOGIC ELEMENTS, (B) EACH OF SAID ELEMENTS HAVING AN INPUT CHANNEL FOR DEFINING A PATH OF POWER STREAM FLUID FLOW, FIRST AND SECOND OUTPUT CHANNELS EACH DEFINING A PATH OF FLUID FLOW, A CHAMBER FORMED BY THE INTERSECTION OF SAID INPUT CHANNEL AND SAID OUTPUT CHANNELS, AND A CONTROL SIGNAL CHANNEL CONNECTED TO SAID CHAMBER FOR DEFINING A PATH OF CONTROL STREAM FLUID FLOW COOPERATIVE WITH SAID POWER STREAM FLUD FLOW, SAID CHAMBER BEING SO CONSTRUCTED THAT POWER STREAM FLUID FROM SAID INPUT CHANNEL TENDS TO FLOW THROUGH SAID FIRST OUTPUT CHANNEL IN THE ABSENCE OF CONTROL STREAM FLUID FLOW, WHILE IN THE PRESENCE OF SAID CONTROL STREAM FLUID FLOW SAID POWER STREAM FLUID TENDS TO FLOW THROUGH SAID SECOND OUTPUT CHANNEL, (C) SAID FIRST OUTPUT CHANNELS OF SAID PAIR OF ELEMENTS BEING DIRECTLY CONNECTED TO FORM A FIRST COMMON OUTPUT CHANNEL, (D) SAID SECOND OUTPUT CHANNELS OF SAID PAIR OF ELEMENTS BEING DIRECTLY CONNECTED TO FORM A SECOND COMMON OUTPUT CHANNEL, (E) NAND GATE MEANS CONNECTED TO SAID FIRST COMMON OUTPUT CHANNEL FOR PROVIDING A NAND SIGNAL WHEN CONTROL SIGNALS ARE APPLIED SIMULANEOUSLY TO SAID CONTROL SIGNAL CHANNELS, AND (F) OR GATE MEANS CONNECTED TO SAID SECOND COMMON OUTPUT CHANNEL FOR PROVIDING AN OR SIGNAL WHEN A CONTROL SIGNAL IS APPLIED TO ONE OF SAID CONTROL SIGNAL CHANNELS.
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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) | 1969-08-22 | 1970-02-21 | 1970-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-22 | 1974-02-21 | 1974-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-22 | 1978-02-21 | 1978-08-23 | $7700.00 | Window Closed / Lapsed |