US3101190A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manually operable control valve
Assignee: Turner Corp
•
Filing: 1957-11-25
•
Granted: 1963-08-20
•
Expires: 1977-11-25
Abstract
No abstract record available.
Inventors
- 👤 William L Lindgren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:56
CPC Classifications
F; F16; F16K; F16K1/00; F16K1/30; F16K1/304; F16K1/305
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
160 words
A CONTROL VALVE, COMPRISING, A VALVE BODY HAVING A FLUID PASSAGE THEREIN AND A VALVE SEAT IN THE PASSAGE, A VALVE STEM MOVABLE IN THE VALVE BODY TOWARD AND AWAY FROM THE VALVE SEAT TO CLOSE AND OPEN THE PASSAGE, A SLEEVE AXIALLY MOVABLE AND NON-ROTATABLE IN THE VALVE BODY, SAID VALVE STEM HAVING AN INTERMEDIATE PORTION EXTENDING THROUGH THE SLEEVE AND THREADED THEREIN, MEANS PROVIDING A FIRST ABUTMENT IN THE VALVE BODY LIMITING MOVEMENT OF THE SLEEVE TOWARD THE VALVE SEAT, MEANS PROVIDING A SECOND ABUTMENT IN THE VALVE BODY LIMITING MOVEMENT OF THE SLEEVE AWAY FROM THE VALVE SEAT, A SPRING URGING THE SLEEVE TOWARD THE FIRST ABUTMENT, ONE END OF THE STEM PROJECTING OUTWARDLY FROM THE VALVE BODY AND HAVING A MANUAL AJDUSTING KNOB FRICTIONALLY HELD ON THE END OF THE STEM FOR THREADABLY ADJUSTING THE STEM IN THE SLEEVE, MEANS FORMING AN ANNULAR SHOULDER ON THE VALVE STEM OUTWARDLY OF SAID SECOND ABUTMENT, SAID VALVE BODY
Claim 2
Dependent Claim
160 words
A CONTROL VALVE, COMPRISING, A VALVE BODY HAVING A FLUID PASSAGE THEREIN AND A VALVE SEAT IN THE PASSAGE, A VALVE STEM MOVABLE IN THE VALVE BODY TOWARD AND AWAY FROM THE VALVE SEAT TO CLOSE AND OPEN THE PASSAGE, A SLEEVE AXIALLY MOVABLE AND NON-ROTATABLE IN THE VALVE BODY, SAID VALVE STEM HAVING AN INTERMEDIATE PORTION EXTENDING THROUGH THE SLEEVE AND THREADED THEREIN, MEANS PROVIDING A FIRST ABUTMENT IN THE VALVE BODY LIMITING MOVEMENT OF THE SLEEVE TOWARD THE VALVE SEAT, MEANS PROVIDING A SECOND ABUTMENT IN THE VALVE BODY LIMITING MOVEMENT OF THE SLEEVE AWAY FROM THE VALVE SEAT, A SPRING URGING THE SLEEVE TOWARD THE FIRST ABUTMENT, ONE END OF THE STEM PROJECTING OUTWARDLY FROM THE VALVE BODY AND HAVING A MANUAL AJDUSTING KNOB FRICTIONALLY HELD ON THE END OF THE STEM FOR THREADABLY ADJUSTING THE STEM IN THE SLEEVE, MEANS FORMING AN ANNULAR SHOULDER ON THE VALVE STEM OUTWARDLY OF SAID SECOND ABUTMENT, SAID VALVE BODY
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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) | 1966-08-19 | 1967-02-18 | 1967-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-19 | 1971-02-18 | 1971-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-19 | 1975-02-18 | 1975-08-20 | $7700.00 | Window Closed / Lapsed |