US3159177A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure regulator valve construction
Assignee: Richards Industries Inc
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Filing: 1962-06-27
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Granted: 1964-12-01
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Expires: 1982-06-27
Abstract
No abstract record available.
Inventors
- 👤 Jr Melville W Hott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:16
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/12; F16K31/36; F16K31/365; G; G05; G05D; G05D16/00; G05D16/04; G05D16/06; G05D16/063; G05D16/0644; G05D16/0655; G05D16/0658; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7781; Y10T137/7793; Y10T137/7822; Y10T137/7823; Y10T137/7825
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
IN COMBINATION, A HOUSING HAVING A FIRST PORT INTERCONNECTED TO A SECOND PORT, SAID SECOND PORT BEING INTERCONNECTED TO A SOURCE OF PRESSURE, A FIXED VALVE MEMBER DISPOSED IN SAID HOUSING BETWEEN SAID PORTS AND HAVING AN OPENING PASSING THERETHROUGH TO INTERCONNECT SAID PORTS TOGETHER, A SEPARATE GUIDE MEMBER DISPOSED IN SAID HOUSING AND ABUTTING ONE SIDE OF SAID FIXED VALVE MEMBER, SAID GUIDE MEMBER HAVING AN APERTURE PASSING THERETHROUGH AND INTERCONNECTED TO SAID OPENING, A MOVABLE VALVE MEMBER DISPOSED IN SAID APERTURE OF SAID GUIDE MEMBER AND ABUTTING SAID ONE SIDE OF SAID FIXED VALVE MEMBER, AND MEANS OPERATIVELY INTERCONNECTED TO SAID MOVABLE VALVE MEMBER TO MOVE SAID MOVABLE VALVE MEMBER BETWEEN POSITIONS OF COVERING SAID OPENING IN SAID FIXED VALVE MEMBER AND UNCOVERING SAID OPENING, SAID MEANS BEING RESPONSIVE TO THE PRESSURE IN SAID SECOND PORT.
Claim 2
Dependent Claim
138 words
IN COMBINATION, A HOUSING HAVING A FIRST PORT INTERCONNECTED TO A SECOND PORT, SAID SECOND PORT BEING INTERCONNECTED TO A SOURCE OF PRESSURE, A FIXED VALVE MEMBER DISPOSED IN SAID HOUSING BETWEEN SAID PORTS AND HAVING AN OPENING PASSING THERETHROUGH TO INTERCONNECT SAID PORTS TOGETHER, A SEPARATE GUIDE MEMBER DISPOSED IN SAID HOUSING AND ABUTTING ONE SIDE OF SAID FIXED VALVE MEMBER, SAID GUIDE MEMBER HAVING AN APERTURE PASSING THERETHROUGH AND INTERCONNECTED TO SAID OPENING, A MOVABLE VALVE MEMBER DISPOSED IN SAID APERTURE OF SAID GUIDE MEMBER AND ABUTTING SAID ONE SIDE OF SAID FIXED VALVE MEMBER, AND MEANS OPERATIVELY INTERCONNECTED TO SAID MOVABLE VALVE MEMBER TO MOVE SAID MOVABLE VALVE MEMBER BETWEEN POSITIONS OF COVERING SAID OPENING IN SAID FIXED VALVE MEMBER AND UNCOVERING SAID OPENING, SAID MEANS BEING RESPONSIVE TO THE PRESSURE IN SAID SECOND PORT.
References Cited (Backward Citations)
US1462466A
Cited
US1787628A
Cited
US1938943A
Cited
US1877700A
Cited
US2493880A
Cited
US2827260A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-12-01 | 1968-06-01 | 1968-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-12-01 | 1972-06-01 | 1972-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-12-01 | 1976-06-01 | 1976-12-01 | $7700.00 | Window Closed / Lapsed |