US3348569A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valves
Assignee: Halliburton Co
•
Filing: 1964-11-30
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Granted: 1967-10-24
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Expires: 1984-11-30
Abstract
No abstract record available.
Inventors
- 👤 James A Frye
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:33
CPC Classifications
F; F16; F16K; F16K15/00; F16K15/18; F16K15/184; F16K15/1848; Y; Y10; Y10T; Y10T137/00; Y10T137/5109; Y10T137/5153
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
167 words
A SWING-TYPE VALVE COMPRISING A VALVE BODY HAVING FIRST AND SECOND FLUID PASSAGEWAYS IN FLUID COMMUNICATION WITH A VALVE BODY BORE THE LONGITUDINAL AXIS OF WHICH IS TRANSVERSED TO SAID PASSAGEWAYS, SAID VALVE BODY BORE BEING OPEN ON AT LEAST ONE LONGITUDINAL END THEREOF, AND HAVING A FRUSTOCONICAL PORTION ADJACENT SAID OPEN END, CLOSURE MEANS FOR CLOSING SAID OPEN END OF SAID VALVE BODY BORE A FRUSTOCONICAL INSERT ROTATABLY MOUNTED IN SAID BORE, SAID INSERT HAVING OPPOSED FIRST AND SECOND PORTS IN FLUID COMMUNICATION WITH AN INSERT BORE, SAID PORTS REGISTRABLE WITH EITHER OF SAID FIRST AND SECOND PASSAGEWAYS, A CLAPPER PIVOTALLY MOUNTED ON SAID INSERT AND WITHIN SAID INSERT BORE, SAID CLAPPER REGISTRABLE WITH ONE OF SAID OPPOSED PORTS, THE OTHER OF SAID OPPOSED PORTS BEING FORMED BY A GENERALLY U-SHAPED RECESS EXTENDING FRON AN UPPER END OF SAID FRUSTOCONICAL INSERT ADJACENT THE MAJOR DIAMETER THEREOF TOWARDS A LOWER END OF SAID FRUSTOCONICAL INSERT COEXTENSIVELY WITH THE LOWER PERIPHERY OF SAID ONE OF SAID OPPOSED PORTS.
Claim 2
Dependent Claim
167 words
A SWING-TYPE VALVE COMPRISING A VALVE BODY HAVING FIRST AND SECOND FLUID PASSAGEWAYS IN FLUID COMMUNICATION WITH A VALVE BODY BORE THE LONGITUDINAL AXIS OF WHICH IS TRANSVERSED TO SAID PASSAGEWAYS, SAID VALVE BODY BORE BEING OPEN ON AT LEAST ONE LONGITUDINAL END THEREOF, AND HAVING A FRUSTOCONICAL PORTION ADJACENT SAID OPEN END, CLOSURE MEANS FOR CLOSING SAID OPEN END OF SAID VALVE BODY BORE A FRUSTOCONICAL INSERT ROTATABLY MOUNTED IN SAID BORE, SAID INSERT HAVING OPPOSED FIRST AND SECOND PORTS IN FLUID COMMUNICATION WITH AN INSERT BORE, SAID PORTS REGISTRABLE WITH EITHER OF SAID FIRST AND SECOND PASSAGEWAYS, A CLAPPER PIVOTALLY MOUNTED ON SAID INSERT AND WITHIN SAID INSERT BORE, SAID CLAPPER REGISTRABLE WITH ONE OF SAID OPPOSED PORTS, THE OTHER OF SAID OPPOSED PORTS BEING FORMED BY A GENERALLY U-SHAPED RECESS EXTENDING FRON AN UPPER END OF SAID FRUSTOCONICAL INSERT ADJACENT THE MAJOR DIAMETER THEREOF TOWARDS A LOWER END OF SAID FRUSTOCONICAL INSERT COEXTENSIVELY WITH THE LOWER PERIPHERY OF SAID ONE OF SAID OPPOSED PORTS.
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) | 1970-10-23 | 1971-04-24 | 1971-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-23 | 1975-04-24 | 1975-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-23 | 1979-04-24 | 1979-10-24 | $7700.00 | Window Closed / Lapsed |