Patent US3272475A successfully refreshed from Google Patents.
US3272475A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible gate valve having load bearing means
Assignee: Grove Valve and Regulator Co
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Filing: 1963-02-08
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Granted: 1966-09-13
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Expires: 1983-02-08
Abstract
No abstract record available.
Inventors
- 👤 Austin U Bryant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:27
CPC Classifications
F; F16; F16K; F16K3/00; F16K3/02; F16K3/16; F16K3/18; F16K3/182
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
A VALVE COMPRISING: A VALVE BODY, A FLOW PASSAGEWAY THROUGH SAID VALVE BODY, AN ANNULAR VALVE SEAT SURROUNDING SAID FLOW PASSAGEWAY, A GENERALLY CIRCULAR, FLEXIBLE VALVE PLATE, AN ANNULAR LOAD TRANSMITTING MEMBER OF A DIAMETER SMALLER THAN SAID VALVE SEAT AND VALVE PLATE SECURED COAXIALLY TO SAID VALVE PLATE, A MOTION TRANSMITTING MEMBER, MEANS CONNECTED TO SAID MOTION TRANSMITTING MEMBER TO PRODUCE MOVEMENT THEREOF TO CARRY SAID VALVE PLATE INTO AND OUT OF ALIGNMENT WITH SAID VALVE SEAT, AND MEANS CONNECTING SAID MOTION TRANSMITTING MEMBER AND SAID LOAD TRANSMITTING MEMBER AND OPERATED IN RESPONSE TO MOVEMENT OF SAID MOTION TRANSMITTING MEMBER WHEN SAID VALVE PLATE IS MOVED INTO ALIGNMENT WITH SAID VALVE SEAT TO URGE SAID LOAD TRANSMITTING MEMBER TOWARD SAID VALVE SEAT AND FORCE SAID VALVE PLATE INTO FIRM ENGAGEMENT WITH SAID VALVE SEAT.
Claim 2
Dependent Claim
135 words
A VALVE COMPRISING: A VALVE BODY, A FLOW PASSAGEWAY THROUGH SAID VALVE BODY, AN ANNULAR VALVE SEAT SURROUNDING SAID FLOW PASSAGEWAY, A GENERALLY CIRCULAR, FLEXIBLE VALVE PLATE, AN ANNULAR LOAD TRANSMITTING MEMBER OF A DIAMETER SMALLER THAN SAID VALVE SEAT AND VALVE PLATE SECURED COAXIALLY TO SAID VALVE PLATE, A MOTION TRANSMITTING MEMBER, MEANS CONNECTED TO SAID MOTION TRANSMITTING MEMBER TO PRODUCE MOVEMENT THEREOF TO CARRY SAID VALVE PLATE INTO AND OUT OF ALIGNMENT WITH SAID VALVE SEAT, AND MEANS CONNECTING SAID MOTION TRANSMITTING MEMBER AND SAID LOAD TRANSMITTING MEMBER AND OPERATED IN RESPONSE TO MOVEMENT OF SAID MOTION TRANSMITTING MEMBER WHEN SAID VALVE PLATE IS MOVED INTO ALIGNMENT WITH SAID VALVE SEAT TO URGE SAID LOAD TRANSMITTING MEMBER TOWARD SAID VALVE SEAT AND FORCE SAID VALVE PLATE INTO FIRM ENGAGEMENT WITH SAID VALVE SEAT.
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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) | 1969-09-12 | 1970-03-14 | 1970-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-12 | 1974-03-14 | 1974-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-12 | 1978-03-14 | 1978-09-13 | $7700.00 | Window Closed / Lapsed |