Patent US3240223A successfully refreshed from Google Patents.
US3240223A
Expired / Lapsed
US
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Fluid pressure regulator
Assignee: Norgren LLC
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Filing: 1963-08-02
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Granted: 1966-03-15
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Expires: 1983-08-02
Abstract
No abstract record available.
Inventors
- 👤 Horst John Vander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:56
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/12; F16K31/36; F16K31/363; G; G05; G05D; G05D16/00; G05D16/14; G05D16/16; G05D16/166; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2574; Y10T137/2605; Y10T137/2607; Y10T137/261; Y10T137/7722; Y10T137/7781; Y10T137/7782; Y10T137/7793; Y10T137/7801; Y10T137/7822; Y10T137/7823; Y10T137/7826; Y10T137/8593; Y10T137/86919
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
A FLUID PRESSURE REGULATOR PROVIDING A REQUIRED OUTLET PRESSURE COMPRISING: A CASING HAVING A FLOW PASSAGE THERETHROUGH WITH INLET AND OUTLET; A MAIN VALVE CONTROLLING THE FLOW OF FLUID THROUGH SAID FLOW PASSAGE; A MAIN CHAMBER IN SAID CASING; AT LEAST TWO RECIPROCABLY MOVABLE ELEMENTS MOUNTED IN SAID MAIN CHAMBER IN OPPOSED RELATIONSHIP AND IN OPERATIVE RELATIONSHIP WITH SAID MAIN VALVE, THE EXPOSED SURFACE OF ONE MOVABLE ELEMENT FORMING A MOVABLE WALL OF A PILOT CONTROL PRESSURE CHAMBER AND THE EXPOSED SURFACE OF THE OTHER MOVABLE ELEMENT FORMING A MOVABLE WALL OF A CONTROLLED
Claim 2
Dependent Claim
94 words
A FLUID PRESSURE REGULATOR PROVIDING A REQUIRED OUTLET PRESSURE COMPRISING: A CASING HAVING A FLOW PASSAGE THERETHROUGH WITH INLET AND OUTLET; A MAIN VALVE CONTROLLING THE FLOW OF FLUID THROUGH SAID FLOW PASSAGE; A MAIN CHAMBER IN SAID CASING; AT LEAST TWO RECIPROCABLY MOVABLE ELEMENTS MOUNTED IN SAID MAIN CHAMBER IN OPPOSED RELATIONSHIP AND IN OPERATIVE RELATIONSHIP WITH SAID MAIN VALVE, THE EXPOSED SURFACE OF ONE MOVABLE ELEMENT FORMING A MOVABLE WALL OF A PILOT CONTROL PRESSURE CHAMBER AND THE EXPOSED SURFACE OF THE OTHER MOVABLE ELEMENT FORMING A MOVABLE WALL OF A CONTROLLED
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) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |