US3285264A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid-operated detectors
Assignee: General Electric Co
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Filing: 1964-03-31
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Granted: 1966-11-15
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Expires: 1984-03-31
Abstract
No abstract record available.
Inventors
- 👤 Willis A Boothe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:29
CPC Classifications
F; F15; F15C; F15C1/00; F15C1/14; F15C1/146; Y; Y10; Y10T; Y10T137/00; Y10T137/206; Y10T137/212; Y10T137/2125; Y10T137/2147; Y10T137/2158
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
178 words
A FLUID-OPERATED BEAT FREQUENCY DETECTOR COMPRISING: A FLUID CONTROL SYSTEM INCLUDING FIRST AND SECOND STAGES OF FLUID CONTROL DEVICES, SAID FLUID CONTROL SYSTEM FURTHER INCLUDING INLET MEANS COMMUNICATING WITH SAID FIRST STAGE AND OUTLET MEANS COMMUNICATING WITH SAID SECOND STAGE. MEANS FOR APPLYING TO SAID INLET MEANS FIRST AND SECOND INPUT FLUID WAVES OF FIRST AND SCECOND FREQUENCIES, RESPECTIVELY, SAID FIRST STAGE GENERATING A FLOW OF POWER FLUID CONTROLLED IN ACCORDANCE WITH THE CONCURRENT PRESENCE OF PREDETERMINED CHARACTERISTICS IN SAID FIRST AND SECOND INPUT FLUID WAVES, INTERCONNECTING MEANS FOR APPLYING THE CONTROLLED FLOW OF POWER FLUID FROM SAID FIRST STAGE IN ACCORDANCE WITH A DESIRED LOGIC FUNCTION AS A FLOW OF CONTROL FLUID IN SAID SECOND STAGE, SAID SECOND STAGE GENERATING A FLOW OF POWER FLUID CONTROLLED IN ACCORDANCE WITH THE FLOW OF CONTROL FLUID SO PROVIDED IN SAID SECOND STAGE, AND SAID OUTLET MEANS RECEIVING THE CONTROLLED FLOW OF POWER FLUID FROM SAID SECOND STAGE TO PROVIDE OUTPUT FLUID WAVES HAVING AS FREQUENCY COMPONENTS THE SUM-FREQUENCY AND DIFFERENCE FREQUENCY OF THE FIRST AND SECOND INPUT FLUID WAVES.
Claim 2
Dependent Claim
178 words
A FLUID-OPERATED BEAT FREQUENCY DETECTOR COMPRISING: A FLUID CONTROL SYSTEM INCLUDING FIRST AND SECOND STAGES OF FLUID CONTROL DEVICES, SAID FLUID CONTROL SYSTEM FURTHER INCLUDING INLET MEANS COMMUNICATING WITH SAID FIRST STAGE AND OUTLET MEANS COMMUNICATING WITH SAID SECOND STAGE. MEANS FOR APPLYING TO SAID INLET MEANS FIRST AND SECOND INPUT FLUID WAVES OF FIRST AND SCECOND FREQUENCIES, RESPECTIVELY, SAID FIRST STAGE GENERATING A FLOW OF POWER FLUID CONTROLLED IN ACCORDANCE WITH THE CONCURRENT PRESENCE OF PREDETERMINED CHARACTERISTICS IN SAID FIRST AND SECOND INPUT FLUID WAVES, INTERCONNECTING MEANS FOR APPLYING THE CONTROLLED FLOW OF POWER FLUID FROM SAID FIRST STAGE IN ACCORDANCE WITH A DESIRED LOGIC FUNCTION AS A FLOW OF CONTROL FLUID IN SAID SECOND STAGE, SAID SECOND STAGE GENERATING A FLOW OF POWER FLUID CONTROLLED IN ACCORDANCE WITH THE FLOW OF CONTROL FLUID SO PROVIDED IN SAID SECOND STAGE, AND SAID OUTLET MEANS RECEIVING THE CONTROLLED FLOW OF POWER FLUID FROM SAID SECOND STAGE TO PROVIDE OUTPUT FLUID WAVES HAVING AS FREQUENCY COMPONENTS THE SUM-FREQUENCY AND DIFFERENCE FREQUENCY OF THE FIRST AND SECOND INPUT FLUID WAVES.
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) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |