US3277913A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pure fluid apparatus utilizing triggerable flip-flop
Assignee: Unisys Corp
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Filing: 1963-10-31
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Granted: 1966-10-11
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Expires: 1983-10-31
Abstract
No abstract record available.
Inventors
- 👤 Fox Harold Lavar
- 👤 Sr Gale H Thorne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:17
CPC Classifications
F; F15; F15C; F15C1/00; F15C1/08; F15C1/10; Y; Y10; Y10T; Y10T137/00; Y10T137/206; Y10T137/212; Y10T137/2125; Y10T137/2131; Y10T137/2136; Y10T137/2147; Y10T137/2153; Y10T137/2158
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
203 words
A PURE FLUID LOGIC DEVICE COMPRISING, (A) FIRST AND SECOND BISTABLE FLUID LOGIC ELEMENTS, (B) EACH OF SAID ELEMENTS HAVING A POWER STREAM STREAM SOURCE FOR DEFINING A CONTINUOUS POWER STREAM SOURCE FOR DEFINING A CONTINUOUS POWER STREAM, FIRST AND SECOND CONTROL STREAM INPUT CHANNELS FOR DEFINING FIRST AND SECOND CONTROL POWER FLOWS RESPECTIVELY COOPERATIVE WITH SAID POWER STREAM, FIRST AND SECOND OUTPUT CHANANELS EACH DEFINING A PATH OF FLUID FLOW, AND A CHAMBER FORMED BY THE INTERSECTION OF SAID INPUT AND OUTPUT CHANNELS, WHEREBY SAID POWER STREAM MAY FLOW THROUGH EITHER OF SAID OUTPUT CHANNELS IN THE ABSENCE OF A CONTROL STREAM, (C) AT LEAST A PORTION OF SAID FIRST AND SECOND OUTPUT CHANNELS OF SAID FIRST ELEMENT BEING CONNECTED RESPECTIVELY TO SAID FIRST AND SECOND CONTROL STREAM INPUT CHANNELS OF SAID SECOND ELEMENT, AND (D) FIRST AND SECOND FEEDBACK CHANNELS CONNECTED IN OPPOSITE SENSE FROM SAID FIRST AND SECOND OUTPUT CHANNELS OF SAID SECOND ELEMENT TO SAID FIRST AND SECOND CONTROL STREAM INPUT CHANNELS OF SAID FIRST ELEMENT, RESPECTIVELY, IN A MANNER TO TEND TO CAUSE SAID POWER STREAM OF SAID FIRST ELEMENT TO BE DEFLECTED TOWARDS THE OUTPUT CHANNEL OF SAID FIRST ELEMENT THROUGH WHICH THE LEAST FLUID IS FLOWING.
Claim 2
Dependent Claim
203 words
A PURE FLUID LOGIC DEVICE COMPRISING, (A) FIRST AND SECOND BISTABLE FLUID LOGIC ELEMENTS, (B) EACH OF SAID ELEMENTS HAVING A POWER STREAM STREAM SOURCE FOR DEFINING A CONTINUOUS POWER STREAM SOURCE FOR DEFINING A CONTINUOUS POWER STREAM, FIRST AND SECOND CONTROL STREAM INPUT CHANNELS FOR DEFINING FIRST AND SECOND CONTROL POWER FLOWS RESPECTIVELY COOPERATIVE WITH SAID POWER STREAM, FIRST AND SECOND OUTPUT CHANANELS EACH DEFINING A PATH OF FLUID FLOW, AND A CHAMBER FORMED BY THE INTERSECTION OF SAID INPUT AND OUTPUT CHANNELS, WHEREBY SAID POWER STREAM MAY FLOW THROUGH EITHER OF SAID OUTPUT CHANNELS IN THE ABSENCE OF A CONTROL STREAM, (C) AT LEAST A PORTION OF SAID FIRST AND SECOND OUTPUT CHANNELS OF SAID FIRST ELEMENT BEING CONNECTED RESPECTIVELY TO SAID FIRST AND SECOND CONTROL STREAM INPUT CHANNELS OF SAID SECOND ELEMENT, AND (D) FIRST AND SECOND FEEDBACK CHANNELS CONNECTED IN OPPOSITE SENSE FROM SAID FIRST AND SECOND OUTPUT CHANNELS OF SAID SECOND ELEMENT TO SAID FIRST AND SECOND CONTROL STREAM INPUT CHANNELS OF SAID FIRST ELEMENT, RESPECTIVELY, IN A MANNER TO TEND TO CAUSE SAID POWER STREAM OF SAID FIRST ELEMENT TO BE DEFLECTED TOWARDS THE OUTPUT CHANNEL OF SAID FIRST ELEMENT THROUGH WHICH THE LEAST FLUID IS FLOWING.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-10 | 1970-04-11 | 1970-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-10 | 1974-04-11 | 1974-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-10 | 1978-04-11 | 1978-10-11 | $7700.00 | Window Closed / Lapsed |