Patent US3338264A successfully refreshed from Google Patents.
US3338264A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control device
Assignee: Individual
•
Filing: 1965-01-21
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Granted: 1967-08-29
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Expires: 1985-01-21
Abstract
No abstract record available.
Inventors
- 👤 Theodore J Dykzeul
- 👤 Edward B Scharer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:09
CPC Classifications
G; G05; G05D; G05D16/00; G05D16/04; G05D16/06; G05D16/063; G05D16/0636; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7781; Y10T137/7793; Y10T137/7822; Y10T137/7823; Y10T137/7825; Y10T137/7837; Y10T137/7904; Y10T137/7905; Y10T137/7907
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
IN A FLUID PRESSURE REGULATOR, A CASING HAVING AN INLET AND AN OUTLET PROVIDING A FLUID PASSAGE THEREBETWEEN, VALVE MEANS FOR CONTROLLING FLOW THROUGH SAID INLET, A FLEXIBLE DIAPHRAGM IN SAID CASING CONNECTED TO SAID VALVE MEANS FOR OPENING AND CLOSING SAID VALVE MEANS IN RESPONSE TO PRESSURE CHANGES IN SAID PASSAGE, MEANS ENGAGEABLE WITH SAID DIAPHRAGM FOR BIASING SAID VALVE MEANS TOWARD AN OPEN POSITION, SAID BIASING MEANS INCLUDING A LEVER NORMALLY HAVING A FIRST FULCRUM POINT, AND MEANS ACCESSIBLE FROM THE EXTERIOR OF SAID CASING FOR AUGMENTING THE FORCE OF SAID BIASING MEANS TO THEREBY INCREASE THE REGULATING CAPACITY BY CHANGING THE FULCRUM POINT OF SAID LEVER FROM SAID FIRST FULCRUM POINT TO A SECOND FULCRUM POINT.
Claim 2
Dependent Claim
119 words
IN A FLUID PRESSURE REGULATOR, A CASING HAVING AN INLET AND AN OUTLET PROVIDING A FLUID PASSAGE THEREBETWEEN, VALVE MEANS FOR CONTROLLING FLOW THROUGH SAID INLET, A FLEXIBLE DIAPHRAGM IN SAID CASING CONNECTED TO SAID VALVE MEANS FOR OPENING AND CLOSING SAID VALVE MEANS IN RESPONSE TO PRESSURE CHANGES IN SAID PASSAGE, MEANS ENGAGEABLE WITH SAID DIAPHRAGM FOR BIASING SAID VALVE MEANS TOWARD AN OPEN POSITION, SAID BIASING MEANS INCLUDING A LEVER NORMALLY HAVING A FIRST FULCRUM POINT, AND MEANS ACCESSIBLE FROM THE EXTERIOR OF SAID CASING FOR AUGMENTING THE FORCE OF SAID BIASING MEANS TO THEREBY INCREASE THE REGULATING CAPACITY BY CHANGING THE FULCRUM POINT OF SAID LEVER FROM SAID FIRST FULCRUM POINT TO A SECOND FULCRUM POINT.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-28 | 1971-02-27 | 1971-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-28 | 1975-02-27 | 1975-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-28 | 1979-02-27 | 1979-08-29 | $7700.00 | Window Closed / Lapsed |