US3369562A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure regulator
Assignee: Robertshaw Controls Co
•
Filing: 1964-09-28
•
Granted: 1968-02-20
•
Expires: 1984-09-28
Abstract
No abstract record available.
Inventors
- 👤 Michael J Caparone
- 👤 Theodore J Dykzeul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:46
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/01; G05D23/02; G05D23/024; G05D23/026; G05D23/027; F; F24; F24H; F24H9/00; F24H9/20; F24H9/2007; F24H9/2035; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7781; Y10T137/7793; Y10T137/7822; Y10T137/7823; Y10T137/7825; Y10T137/8158; Y10T137/8225
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
A PRESSURE REGULATOR COMPRISING A HOUSING HAVING AN INLET AND AN OUTLET INTERCONNECTED TOGETHER BY A VALVE SEAT, SAID HOUSING HAVING SPACED STOPPED MEANS THEREON, A VALVE MEMBER FOR OPENING AND CLOSING SAID VALVE SEAT, A FLEXIBLE DIAPHRAGM INTERCONNECTED TO SAID VALVE MEMBER FOR CONTROLLING MOVEMENT OF SAID VALVE MEMBER, SAID HOUSING HAVING A TUBULAR PORTION, SPRING MEANS DISPOSED IN SAID TUBULAR PORTION AND HAVING ONE END ENGAGING SAID DIAPHRAGM TO TEND TO MOVE SAID VALVE MEMBER TO ITS OPEN POSITION, AND A CUP-SHAPED CONTROL KNOB EXTERNAL TO SAID HOUSING AND ENGAGING THE OTHER END OF SAID SPRING MEANS WHEREBY MOVEMENT OF SAID CONTROL KNOB RELATIVE TO SAID
Claim 2
Dependent Claim
108 words
A PRESSURE REGULATOR COMPRISING A HOUSING HAVING AN INLET AND AN OUTLET INTERCONNECTED TOGETHER BY A VALVE SEAT, SAID HOUSING HAVING SPACED STOPPED MEANS THEREON, A VALVE MEMBER FOR OPENING AND CLOSING SAID VALVE SEAT, A FLEXIBLE DIAPHRAGM INTERCONNECTED TO SAID VALVE MEMBER FOR CONTROLLING MOVEMENT OF SAID VALVE MEMBER, SAID HOUSING HAVING A TUBULAR PORTION, SPRING MEANS DISPOSED IN SAID TUBULAR PORTION AND HAVING ONE END ENGAGING SAID DIAPHRAGM TO TEND TO MOVE SAID VALVE MEMBER TO ITS OPEN POSITION, AND A CUP-SHAPED CONTROL KNOB EXTERNAL TO SAID HOUSING AND ENGAGING THE OTHER END OF SAID SPRING MEANS WHEREBY MOVEMENT OF SAID CONTROL KNOB RELATIVE TO SAID
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) | 1971-02-19 | 1971-08-21 | 1972-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-19 | 1975-08-21 | 1976-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-19 | 1979-08-21 | 1980-02-20 | $7700.00 | Window Closed / Lapsed |