US3330296A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Angle cock having removable valve unit
Assignee: Westinghouse Air Brake Co
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Filing: 1964-06-11
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Granted: 1967-07-11
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Expires: 1984-06-11
Abstract
No abstract record available.
Inventors
- 👤 Temple Fred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:22
CPC Classifications
F; F16; F16K; F16K5/00; F16K5/02; F16K5/0257; F16K5/0271; Y; Y10; Y10T; Y10T137/00; Y10T137/7504
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
AN ANGLE COCK COMPRISING: (A) A VALUE BODY HAVING A TAPERED BORE THEREIN AND PASSAGES COMMUNICATING WITH SAID BORE, (B) A TAPERED BUSHING SEATED IN SAID BORE AND HAVING APERTURES THEREIN REGISTERING WITH SAID PASSAGES, AND FURTHER HAVING A PERIPHERAL FLANGE ON THE LARGER END THEREOF OVERLYING THE EXTERIOR SURFACE OF SAID BODY ON THE PERIPHERY OF SAID BORE, (C) A COVER SEALINGLY SEATED ON SAID FLANGE TO CLOSE THE LARGER END OF SAID BORE, (D) MEANS ATTACHING SAID COVER TO SAID FLANGE, (E) A PLUG VALVE SEATED IN SAID BUSHING AND HAVING AN AXIALLY EXTENDING SHAFT ON THE LARGER END THEREOF EXTENDING THROUGH SAID COVER FOR EFFECTING ROTATION OF SAID PLUG VALVE, AND (F) MEANS ATTACHING SAID COVER AND SAID BUSHING TO SAID BODY TO HOLD SAID BUSHING REMOVABLY FIXED IN SAID BORE, COMPRISING SCREW MEANS EXTENDING THROUGH SAID COVER AND SAID FLANGE INTO SAID BODY.
Claim 2
Dependent Claim
147 words
AN ANGLE COCK COMPRISING: (A) A VALUE BODY HAVING A TAPERED BORE THEREIN AND PASSAGES COMMUNICATING WITH SAID BORE, (B) A TAPERED BUSHING SEATED IN SAID BORE AND HAVING APERTURES THEREIN REGISTERING WITH SAID PASSAGES, AND FURTHER HAVING A PERIPHERAL FLANGE ON THE LARGER END THEREOF OVERLYING THE EXTERIOR SURFACE OF SAID BODY ON THE PERIPHERY OF SAID BORE, (C) A COVER SEALINGLY SEATED ON SAID FLANGE TO CLOSE THE LARGER END OF SAID BORE, (D) MEANS ATTACHING SAID COVER TO SAID FLANGE, (E) A PLUG VALVE SEATED IN SAID BUSHING AND HAVING AN AXIALLY EXTENDING SHAFT ON THE LARGER END THEREOF EXTENDING THROUGH SAID COVER FOR EFFECTING ROTATION OF SAID PLUG VALVE, AND (F) MEANS ATTACHING SAID COVER AND SAID BUSHING TO SAID BODY TO HOLD SAID BUSHING REMOVABLY FIXED IN SAID BORE, COMPRISING SCREW MEANS EXTENDING THROUGH SAID COVER AND SAID FLANGE INTO SAID BODY.
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) | 1970-07-10 | 1971-01-09 | 1971-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-10 | 1975-01-09 | 1975-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-10 | 1979-01-09 | 1979-07-11 | $7700.00 | Window Closed / Lapsed |