US3232533A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid-operated logic circuit
Assignee: General Electric Co
•
Filing: 1964-08-03
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Granted: 1966-02-01
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Expires: 1984-08-03
Abstract
No abstract record available.
Inventors
- 👤 Willis A Boothe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:04
CPC Classifications
F; F15; F15C; F15C1/00; F15C1/08; F15C1/10; Y; Y10; Y10T; Y10T137/00; Y10T137/206; Y10T137/2065; Y10T137/212; Y10T137/2125; Y10T137/2147; Y10T137/2158
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
A LOGIC CIRCUIT FOR PROVIDING A FLUID OUTPUT SIGNAL INDICATIVE OF THE STATUS OF DEVIATION OF A CONTROL SYSTEM VARIABLE FROM A NORMAL OPERATING RANGE OF VALUES THEREOF COMPRISING MEANS FOR GENERATING FIRST FLUID CONTROL SIGNALS RESPONSIVE TO PARTICULAR VALUES OF A CONTROL SYSTEM VARIABLE, FIRST FLUID CONTROL DEVICE MEANS IN COMMUNICATION WITH SAID FIRST FLUID CONTROL SIGNAL GENERATING MEANS FOR GENERATING SECOND FLUID CONTROL SIGNALS INDICATIVE OF THE STATUS OF THE FIRST FLUID CONTROL SIGNALS, SECOND FLUID CONTROL DEVICE MEANS IN COMMUNICATION WITH SAID FIRST CONTROL DEVICE MEANS FOR GENERATING A THIRD FLUID CONTROL SIGNAL INDICATIVE OF THE STATUS OF THE CONTROL SYSTEM VARIABLE AS BEING WITHIN OR SLIGHTLY OUTSIDE A NORMAL OPERATIING RANGE OF VALUES THEREOF, THIRD FLUID CONTROL DEVICE MEANS IN COMMUNICATION WITH SAID FIRST AND SECOND FLUID CONTROL DEVICE MEANS FOR PROVIDING A MEMORY FUNCTION INDICATIVE OF THE STATUS
Claim 2
Dependent Claim
143 words
A LOGIC CIRCUIT FOR PROVIDING A FLUID OUTPUT SIGNAL INDICATIVE OF THE STATUS OF DEVIATION OF A CONTROL SYSTEM VARIABLE FROM A NORMAL OPERATING RANGE OF VALUES THEREOF COMPRISING MEANS FOR GENERATING FIRST FLUID CONTROL SIGNALS RESPONSIVE TO PARTICULAR VALUES OF A CONTROL SYSTEM VARIABLE, FIRST FLUID CONTROL DEVICE MEANS IN COMMUNICATION WITH SAID FIRST FLUID CONTROL SIGNAL GENERATING MEANS FOR GENERATING SECOND FLUID CONTROL SIGNALS INDICATIVE OF THE STATUS OF THE FIRST FLUID CONTROL SIGNALS, SECOND FLUID CONTROL DEVICE MEANS IN COMMUNICATION WITH SAID FIRST CONTROL DEVICE MEANS FOR GENERATING A THIRD FLUID CONTROL SIGNAL INDICATIVE OF THE STATUS OF THE CONTROL SYSTEM VARIABLE AS BEING WITHIN OR SLIGHTLY OUTSIDE A NORMAL OPERATIING RANGE OF VALUES THEREOF, THIRD FLUID CONTROL DEVICE MEANS IN COMMUNICATION WITH SAID FIRST AND SECOND FLUID CONTROL DEVICE MEANS FOR PROVIDING A MEMORY FUNCTION INDICATIVE OF THE STATUS
References Cited (Backward Citations)
US2879467A
Cited
US2729751A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-31 | 1969-08-02 | 1970-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-31 | 1973-08-02 | 1974-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-31 | 1977-08-02 | 1978-02-01 | $7700.00 | Window Closed / Lapsed |