Patent US3224728A successfully refreshed from Google Patents.
US3224728A
Expired / Lapsed
US
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Self-sealing coupling
Assignee: Eaton Aeroquip LLC
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Filing: 1960-04-18
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Granted: 1965-12-21
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Expires: 1980-04-18
Abstract
No abstract record available.
Inventors
- 👤 Richard A Buseth
- 👤 Elmer R Steinert
- 👤 Kiszko Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:38
CPC Classifications
F; F16; F16L; F16L37/00; F16L37/28; F16L37/30; F16L37/32; F16L37/34; F16L37/22; F16L37/23; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87917; Y10T137/87925; Y10T137/87941; Y10T137/87949
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
IN A FLUID COUPLING HAVING FIRST AND SECOND BORED INTERCONNECTABLE BODY MEMBERS, A VALVE MOVABLY MOUNTED CONCENTRICALLY WITHIN SAID FIRST BODY MEMBER COOPERABLE WITH A VALVE SEAT CONTROLLING THE FLOW OF FLUID THERETHROUGH, A RADIALLY EXTENDING SHOULDER DEFINED ON SAID VALVE, FIRST MEANS FORMED ON SAID SECOND BODY MEMBER ENGAGING SAID VALVE DURING MOVEMENT OF SAID BODY MEMBERS IN A COUPLING DIRECTION TOWARD EACH OTHER OPENING SAID VALVE AND SECOND MEANS CARRIED BY SAID SECOND BODY MEMBER ENGAGING SAID VALVE DURING MOVEMENT OF SAID BODY MEMBERS IN THE UNCOUPLING DIRECTION AWAY FROM EACH OTHER, CLOSING SAID VALVE, SAID SECOND MEANS COMPRISING ELEMENTS RADIALLY MOVABLE WITH RESPECT TO SAID VALVE OPERABLY ENGAGING SAID SHOULDER DURING UNCOUPLING OF SAID BODY MEMBERS.
Claim 2
Dependent Claim
119 words
IN A FLUID COUPLING HAVING FIRST AND SECOND BORED INTERCONNECTABLE BODY MEMBERS, A VALVE MOVABLY MOUNTED CONCENTRICALLY WITHIN SAID FIRST BODY MEMBER COOPERABLE WITH A VALVE SEAT CONTROLLING THE FLOW OF FLUID THERETHROUGH, A RADIALLY EXTENDING SHOULDER DEFINED ON SAID VALVE, FIRST MEANS FORMED ON SAID SECOND BODY MEMBER ENGAGING SAID VALVE DURING MOVEMENT OF SAID BODY MEMBERS IN A COUPLING DIRECTION TOWARD EACH OTHER OPENING SAID VALVE AND SECOND MEANS CARRIED BY SAID SECOND BODY MEMBER ENGAGING SAID VALVE DURING MOVEMENT OF SAID BODY MEMBERS IN THE UNCOUPLING DIRECTION AWAY FROM EACH OTHER, CLOSING SAID VALVE, SAID SECOND MEANS COMPRISING ELEMENTS RADIALLY MOVABLE WITH RESPECT TO SAID VALVE OPERABLY ENGAGING SAID SHOULDER DURING UNCOUPLING OF SAID BODY MEMBERS.
References Cited (Backward Citations)
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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) | 1968-12-20 | 1969-06-21 | 1969-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-20 | 1973-06-21 | 1973-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-20 | 1977-06-21 | 1977-12-21 | $7700.00 | Window Closed / Lapsed |