Patent US4243037A successfully refreshed from Google Patents.
US3587156A
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US
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Method of manufacturing a pressurized fluid control valve
Assignee: Systems Design Co Inc
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Filing: 1967-09-19
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Granted: 1971-06-28
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Expires: 1987-09-19
Abstract
Abstract FIG-01 A VALVE FOR CONTROLLING THE FLOW OF PRESSURIZED FLUID HAVING A VALVE BODY INCLUDING A PLURALITY OF FLUID ENTRANCE AND EMISSION PORTS OPENING INTO A CONFINED CAVITY. A VALVE SPOOL IS HELD CAPTIVE IN THE CAVITY AND IS MOVABLE THEREIN TO CONTROL THE FLOW OF FLUID SELECTIVELY THROUGH THE PORTS AND THE CAVITY. AT LEAST ONE OF THE VAVLE MEMBERS IS CONSTRUCTED OF RESILIENT MATERIAL. SUCH USE OF RESILIENT MATERIAL NOT ONLY RESULTS IN A UNIQUE VALVE STRUCTURE BUT ALSO PERMITS PRODUCTION THEREOF BY A UNIQUE METHOD WHEREIN EITHER THE VALVE BODY OR THE VALVE SPOOL IS DEFORMED FOR THE ASSEMBLY OF PARTS.
Inventors
- 👤 Gerald T Sorenson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:57
CPC Classifications
F; F15; F15B; F15B13/00; F15B13/02; F15B13/04; F16; F16K; F16K11/00; F16K11/02; F16K11/04; F16K11/044; F16K11/06; F16K11/065; F16K11/07; F16K27/00; F16K27/04; F16K27/041; Y; Y10; Y10S; Y10S425/00; Y10S425/058; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86574; Y10T137/86622; Y10T137/8663; Y10T137/86879; Y10T29/00; Y10T29/49; Y10T29/49405; Y10T29/49412; Y10T29/49416; Y10T29/49417; Y10T29/49826; Y10T29/49863; Y10T29/49876; Y10T29/49995
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1974-06-27 | 1974-12-27 | 1975-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-27 | 1978-12-27 | 1979-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-27 | 1982-12-27 | 1983-06-28 | $7700.00 | Window Closed / Lapsed |