Patent US3100504A successfully refreshed from Google Patents.
US3100504A
Expired / Lapsed
US
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Valved apparatus of the fluid-pressure responsive type
Assignee: JELRUS TECHNICAL PRODUCTS Corp
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Filing: 1961-09-28
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Granted: 1963-08-13
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Expires: 1981-09-28
Abstract
No abstract record available.
Inventors
- 👤 Jr George C Kauer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:01
CPC Classifications
F; F16; F16K; F16K17/00; F16K17/02; F16K17/04; F16K17/10; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7781; Y10T137/7784; Y10T137/7787; Y10T137/7788; Y10T137/7793; Y10T137/7822; Y10T137/7823; Y10T137/7826; Y10T137/8593; Y10T137/87917
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
VALVED APPARATUS OF THE FLUID-PRESSURE RESPONSIVE TYPE, COMPRISING: (A) A VALVE HAVING AN INLET AND PRESSURE RESPONSIVE MEANS FOR CONTROLLING THE OPENING AND CLOSING OF SAID INLET, (B) ANOTHER VALVE HAVING AN OUTLET AND PRESSURE RESPONSIVE MEANS FOR CONTROLLING THE OPENING AND CLOSING OF SAID OUTLET, (C) MEANS INTERCONNECTING SAID PRESSURE RESPONSIVE MEANS OF SAID VALVES IN FLUID FLOW COMMUNICATION WITH EACH OTHER SO THAT OPERATION OF SAID PRESSURE RESPONSIVE MEANS OF SAID OTHER VALVE FOR OPENING SAID OUTLET RESULTS IN A REDUCTION OF PRESSURE ON SAID PRESSURE RESPONSIVE MEANS OF SAID FIRST MENTIONED VALVE AND THE OPENING OF SAID INLET, (D) MEANS INTERCONNECTING SAID PRESSURE RESPONSIVE MEANS OF SAID OTHER VALVE WITH SAID INLET IN FLUID FLOW COMMUNICATION WITH EACH OTHER FOR EQUALIZING THE PRESSURE THEREBETWEEN TO CLOSE SAID OUTLET, AND (E) MEANS FOR DELAYING THE EQUALIZATION OF SAID PRESSURE TO DELAY THE CLOSING OF SAID OUTLET.
Claim 2
Dependent Claim
148 words
VALVED APPARATUS OF THE FLUID-PRESSURE RESPONSIVE TYPE, COMPRISING: (A) A VALVE HAVING AN INLET AND PRESSURE RESPONSIVE MEANS FOR CONTROLLING THE OPENING AND CLOSING OF SAID INLET, (B) ANOTHER VALVE HAVING AN OUTLET AND PRESSURE RESPONSIVE MEANS FOR CONTROLLING THE OPENING AND CLOSING OF SAID OUTLET, (C) MEANS INTERCONNECTING SAID PRESSURE RESPONSIVE MEANS OF SAID VALVES IN FLUID FLOW COMMUNICATION WITH EACH OTHER SO THAT OPERATION OF SAID PRESSURE RESPONSIVE MEANS OF SAID OTHER VALVE FOR OPENING SAID OUTLET RESULTS IN A REDUCTION OF PRESSURE ON SAID PRESSURE RESPONSIVE MEANS OF SAID FIRST MENTIONED VALVE AND THE OPENING OF SAID INLET, (D) MEANS INTERCONNECTING SAID PRESSURE RESPONSIVE MEANS OF SAID OTHER VALVE WITH SAID INLET IN FLUID FLOW COMMUNICATION WITH EACH OTHER FOR EQUALIZING THE PRESSURE THEREBETWEEN TO CLOSE SAID OUTLET, AND (E) MEANS FOR DELAYING THE EQUALIZATION OF SAID PRESSURE TO DELAY THE CLOSING OF SAID OUTLET.
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) | 1966-08-12 | 1967-02-11 | 1967-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-12 | 1971-02-11 | 1971-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-12 | 1975-02-11 | 1975-08-13 | $7700.00 | Window Closed / Lapsed |