Patent US4898163A successfully refreshed from Google Patents.
US3343560A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anti-hammer under-fixture valve
Assignee: Brasscraft Manufacturing Co
•
Filing: 1965-03-29
•
Granted: 1967-09-26
•
Expires: 1985-03-29
Abstract
No abstract record available.
Inventors
- 👤 Paul H Nankivell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:53
CPC Classifications
F; F16; F16K; F16K47/00; F16K47/02; F16L; F16L55/00; F16L55/04; F16L55/045; F16L55/05; F16L55/052; F16L55/055; Y; Y10; Y10T; Y10T137/00; Y10T137/2931; Y10T137/3115; Y10T137/3118
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
160 words
AN ANTI-HAMMER, UNDER FIXTURE VALVE, COMPRISING A HOLLOW VALVE BODY HAVING AN INLET PORT, AN OUTLET PORT, AND A VALVE SEAT ARRANGED WITHIN THE BODY BETWEEN SAID PORTS; A VALVE MEMBER ARRANGED INSIDE SAID BODY FOR SEALING AGAINST SAID SEAT FOR SHUTTING OFF FLUID FLOW BETWEEN SAID PORTS, AND VALVE MEMBER MEANS FOR MOVING THE VALVE MEMBER INTO AND OUT OF SEALING ENGAGEMENT WITH SAID SEAT; THE IMPROVEMENT COMPRISING AN UPWARDLY OPENING, CUP-SHAPED SOCKET MEMBER SECURED TO THE OUTSIDE OF THE BODY MEMBER AND HAVING A PASSAGEWAY COMMUNICATING THE INTERIOR OF THE SOCKET TO THE INTERIOR OF SAID VALVE BODY BETWEEN SAID SEAT AND SAID OUTLET PORT; AN OPENING FORMED IN THE LOWER END OF SAID SOCKET MEMBER, AND A CAP MEANS NORMALLY CLOSING SAID OPENING, BUT BEING MANUALLY OPENABLE FOR DRAINING FLUID FROM SAID SOCKET MEMBER; AND A VERTICALLY ELONGATED TUBE HAVING A CLOSED UPPER END AND AN OPEN LOWER END FITTED INTO AND SEALED WITHIN SAID SOCKET MEMBER.
Claim 2
Dependent Claim
160 words
AN ANTI-HAMMER, UNDER FIXTURE VALVE, COMPRISING A HOLLOW VALVE BODY HAVING AN INLET PORT, AN OUTLET PORT, AND A VALVE SEAT ARRANGED WITHIN THE BODY BETWEEN SAID PORTS; A VALVE MEMBER ARRANGED INSIDE SAID BODY FOR SEALING AGAINST SAID SEAT FOR SHUTTING OFF FLUID FLOW BETWEEN SAID PORTS, AND VALVE MEMBER MEANS FOR MOVING THE VALVE MEMBER INTO AND OUT OF SEALING ENGAGEMENT WITH SAID SEAT; THE IMPROVEMENT COMPRISING AN UPWARDLY OPENING, CUP-SHAPED SOCKET MEMBER SECURED TO THE OUTSIDE OF THE BODY MEMBER AND HAVING A PASSAGEWAY COMMUNICATING THE INTERIOR OF THE SOCKET TO THE INTERIOR OF SAID VALVE BODY BETWEEN SAID SEAT AND SAID OUTLET PORT; AN OPENING FORMED IN THE LOWER END OF SAID SOCKET MEMBER, AND A CAP MEANS NORMALLY CLOSING SAID OPENING, BUT BEING MANUALLY OPENABLE FOR DRAINING FLUID FROM SAID SOCKET MEMBER; AND A VERTICALLY ELONGATED TUBE HAVING A CLOSED UPPER END AND AN OPEN LOWER END FITTED INTO AND SEALED WITHIN SAID SOCKET MEMBER.
References Cited (Backward Citations)
US1027980A
Cited
US1865486A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-25 | 1971-03-27 | 1971-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-25 | 1975-03-27 | 1975-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-25 | 1979-03-27 | 1979-09-26 | $7700.00 | Window Closed / Lapsed |