US3126912A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diaphragm valve having a safety shut-off means
Assignee: —
•
Filing: —
•
Granted: 1964-03-31
•
Expires: 1981-03-31
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:51
CPC Classifications
F; F16; F16K; F16K7/00; F16K7/12; F16K7/14; F16K7/16; Y; Y10; Y10T; Y10T137/00; Y10T137/4238; Y10T137/4245; Y10T137/7722; Y10T137/7723; Y10T137/7726; Y10T137/7727; Y10T137/7837; Y10T137/7869; Y10T137/8593; Y10T137/87917; Y10T137/87981; Y10T137/87997; Y10T137/88005; Y10T137/88046; Y10T137/88062
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
A VALVE COMPRISING A HOLLOW CASING HAVING A FLOW PASSAGE, SHUT-OFF VALVE MEANS MOUNTED IN SAID CASING TO CONTROL FLOW THROUGH THE PASSAGE, SAID MEANS INCLUDING A RESILIENTLY ELONGATABLE DIAPHRAGM AFFIXED AT ONE END TO THE CASING, THE OTHER END OF THE DIAPHRAGM BEING DISPOSED TO PREVENT FLOW THROUGH THE PASSAGE RESPONSIVE TO A PREDETERMINED RESILIENT ELONGATION OF THE DIAPHRAGM, A RIGID RETAINER CONFORMABLY SHAPED TO FIT WITHIN SAID DIAPHRAGM DISPOSED WITHIN SAID DIAPHRAGM, A SHUT-OFF STEM MOUNTED FOR MOVEMENT IN A DIRECTION AXIALLY OF THE DIAPHRAGM AND CARRYING SAID RETAINER, AND A RIGID RETAINING COLLAR CONNECTING SAID RETAINER TO SAID STEM, VOLUME-CON ROL MEANS MOUNTED IN SAID PASSAGE FOR MOVEMENT BETWEEN A NORMAL FLOW-PERMITTING POSITION AND A FLOW-PREVENTING POSITION, MEANS ON SAID SHUT-OFF VALVE MEANS ON WHICH SAID VOLUME-CONTROL MEANS SLIDES DURING ITS MOVEMENTS BETWEEN SAID POSITIONS THEREOF, AND HAND-ACTUABLE MEANS
Claim 2
Dependent Claim
142 words
A VALVE COMPRISING A HOLLOW CASING HAVING A FLOW PASSAGE, SHUT-OFF VALVE MEANS MOUNTED IN SAID CASING TO CONTROL FLOW THROUGH THE PASSAGE, SAID MEANS INCLUDING A RESILIENTLY ELONGATABLE DIAPHRAGM AFFIXED AT ONE END TO THE CASING, THE OTHER END OF THE DIAPHRAGM BEING DISPOSED TO PREVENT FLOW THROUGH THE PASSAGE RESPONSIVE TO A PREDETERMINED RESILIENT ELONGATION OF THE DIAPHRAGM, A RIGID RETAINER CONFORMABLY SHAPED TO FIT WITHIN SAID DIAPHRAGM DISPOSED WITHIN SAID DIAPHRAGM, A SHUT-OFF STEM MOUNTED FOR MOVEMENT IN A DIRECTION AXIALLY OF THE DIAPHRAGM AND CARRYING SAID RETAINER, AND A RIGID RETAINING COLLAR CONNECTING SAID RETAINER TO SAID STEM, VOLUME-CON ROL MEANS MOUNTED IN SAID PASSAGE FOR MOVEMENT BETWEEN A NORMAL FLOW-PERMITTING POSITION AND A FLOW-PREVENTING POSITION, MEANS ON SAID SHUT-OFF VALVE MEANS ON WHICH SAID VOLUME-CONTROL MEANS SLIDES DURING ITS MOVEMENTS BETWEEN SAID POSITIONS THEREOF, AND HAND-ACTUABLE MEANS
References Cited (Backward Citations)
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Cited
US1493149A
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US1970744A
Cited
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Cited
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Cited
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Cited
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Cited
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Cited
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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) | 1967-03-31 | 1967-09-30 | 1968-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-31 | 1971-09-30 | 1972-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-31 | 1975-09-30 | 1976-03-31 | $7700.00 | Window Closed / Lapsed |