Patent US3321174A successfully refreshed from Google Patents.
US3321174A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gate slide valve
Assignee: Individual
•
Filing: 1964-04-01
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Granted: 1967-05-23
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Expires: 1984-04-01
Abstract
No abstract record available.
Inventors
- 👤 Schertler Siegfried
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:47
CPC Classifications
F; F16; F16K; F16K3/00; F16K3/02; F16K3/16; F16K3/18; F16K3/182
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
A GATE SLIDE VALVE, COMPRISING IN COMBINATION, A VALVE HOUSING, A GATE SLIDE ASSEMBLY SLIDABLY MOUNTED IN SAID HOUSING, SAID ASSEMBLY COMPRISING TWO SLIDE ELEMENTS, MEANS OPERATIVELY CONNECTED TO SAID TWO SLIDE ELEMENTS AND ADAPTED TO SELECTIVELY SPREAD SAID TWO ELEMENTS APART, AN ACTUATOR MEMBER CONNNECTED TO SAID GATE SLIDE ASSEMBLY AND ADAPTED TO OPERATIVELY MOVE THE SAME BETWEEN A CLOSED POSITION AND AN OPEN POSITION IN SAID HOUSING, SAID HOUSING HAVING INLET AND OUTLET IN SAID OPPOSITE SIDES THEREOF, A VALVE SEAT SURROUNDING ONE OF SAID PORTS INSIDE SAID HOUSING, THE OTHER ONE OF SAID PORTS HAVING AT LEAST A PORTION WHICH IS INTERNALLY THREADED, AN ANNULAR VALVE SEAT HAVING AN EXTERNAL SCREW THREAD BEING THREADABLY AXIALLY MOUNTED IN SAID THREADED PORTION AND BEING ADAPTED TO ADJUST THE CLOSING POSITION OF SAID GATE SLIDE ASSEMBLY WITH RESPECT TO THE OTHER VALVE SEAT BY BEING THREADABLY AXIALLY POSITIONED MORE OR LESS DEEPLY INTO SAID VALVE HOUSING.
Claim 2
Dependent Claim
156 words
A GATE SLIDE VALVE, COMPRISING IN COMBINATION, A VALVE HOUSING, A GATE SLIDE ASSEMBLY SLIDABLY MOUNTED IN SAID HOUSING, SAID ASSEMBLY COMPRISING TWO SLIDE ELEMENTS, MEANS OPERATIVELY CONNECTED TO SAID TWO SLIDE ELEMENTS AND ADAPTED TO SELECTIVELY SPREAD SAID TWO ELEMENTS APART, AN ACTUATOR MEMBER CONNNECTED TO SAID GATE SLIDE ASSEMBLY AND ADAPTED TO OPERATIVELY MOVE THE SAME BETWEEN A CLOSED POSITION AND AN OPEN POSITION IN SAID HOUSING, SAID HOUSING HAVING INLET AND OUTLET IN SAID OPPOSITE SIDES THEREOF, A VALVE SEAT SURROUNDING ONE OF SAID PORTS INSIDE SAID HOUSING, THE OTHER ONE OF SAID PORTS HAVING AT LEAST A PORTION WHICH IS INTERNALLY THREADED, AN ANNULAR VALVE SEAT HAVING AN EXTERNAL SCREW THREAD BEING THREADABLY AXIALLY MOUNTED IN SAID THREADED PORTION AND BEING ADAPTED TO ADJUST THE CLOSING POSITION OF SAID GATE SLIDE ASSEMBLY WITH RESPECT TO THE OTHER VALVE SEAT BY BEING THREADABLY AXIALLY POSITIONED MORE OR LESS DEEPLY INTO SAID VALVE HOUSING.
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) | 1970-05-22 | 1970-11-21 | 1971-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-22 | 1974-11-21 | 1975-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-22 | 1978-11-21 | 1979-05-23 | $7700.00 | Window Closed / Lapsed |