Patent US3110470A successfully refreshed from Google Patents.
US3110470A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mounting means for a gate pack-off
Assignee: MCC Holdings Inc
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Filing: 1961-01-03
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Granted: 1963-11-12
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Expires: 1981-01-03
Abstract
No abstract record available.
Inventors
- 👤 Robert P Dumm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:05
CPC Classifications
F; F16; F16K; F16K3/00; F16K3/02; F16K3/16; F16K3/20; F16K3/207
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
IN A GATE TYPE VALVE INCLUDING A BODY, A GATE SLIDABLY MOUNTED IN SAID BODY, SAID BODY HAVING AN INTAKE AND AN OUTLET PORT THEREIN, BOTH OF SAID PORTS EXTENDING TO SAID GATE, SAID BODY HAVING A CAVITY THEREIN POSITIONED ADJACENT THE INTAKE OR OUTLET PORTS, A CARRIER MOUNTED FOR LIMITED MOVEMENT IN SAID CAVITY RELATIVE TO THE GATE, SPRING MEANS BEARING AGAINST THE CARRIER TO URGE SAID CARRIER IN A DIRECTION AWAY FROM THE GATE, AN ANNULUS, MEANS REMOVABLY SECURING THE ANNULUS TO SAID CARRIER AND A SEAL MOUNTED IN SAID ANNULUS, SAID SEAL BEING ENGAGEABLE WITH ONE FACE OF THE GATE, SAID BODY HAVING A FLUID PRESSURE DUCT THEREIN EXTENDING TO SAID CARRIER TO URGE SAID CARRIER TOWARDS SAID GATE.
Claim 2
Dependent Claim
122 words
IN A GATE TYPE VALVE INCLUDING A BODY, A GATE SLIDABLY MOUNTED IN SAID BODY, SAID BODY HAVING AN INTAKE AND AN OUTLET PORT THEREIN, BOTH OF SAID PORTS EXTENDING TO SAID GATE, SAID BODY HAVING A CAVITY THEREIN POSITIONED ADJACENT THE INTAKE OR OUTLET PORTS, A CARRIER MOUNTED FOR LIMITED MOVEMENT IN SAID CAVITY RELATIVE TO THE GATE, SPRING MEANS BEARING AGAINST THE CARRIER TO URGE SAID CARRIER IN A DIRECTION AWAY FROM THE GATE, AN ANNULUS, MEANS REMOVABLY SECURING THE ANNULUS TO SAID CARRIER AND A SEAL MOUNTED IN SAID ANNULUS, SAID SEAL BEING ENGAGEABLE WITH ONE FACE OF THE GATE, SAID BODY HAVING A FLUID PRESSURE DUCT THEREIN EXTENDING TO SAID CARRIER TO URGE SAID CARRIER TOWARDS SAID GATE.
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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) | 1966-11-11 | 1967-05-13 | 1967-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-11 | 1971-05-13 | 1971-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-11 | 1975-05-13 | 1975-11-12 | $7700.00 | Window Closed / Lapsed |