US3199831A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve
Assignee: Western Brass Works Corp
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Filing: 1962-11-28
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Granted: 1965-08-10
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Expires: 1982-11-28
Abstract
No abstract record available.
Inventors
- 👤 Frank H Sully
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:27
CPC Classifications
E; E03; E03B; E03B9/00; E03B9/02; E03B9/08; A; A01; A01G; A01G25/00; A01G25/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
189 words
IN A VALVE ADAPTED TO RECEIVE AN EXTERNAL MEMBER, THE COMBINATION COMPRISING: A VALVE HOUSING HAVING A BORE THEREIN, AN ANNULAR SHELF EXTENDING INTO SAID BORE INTERMEDIATE THE ENDS THEREOF AND AN ANNULAR ROUGH-WALLED GROOVE REMOTE FROM SAID SHELF IN COMMUNICATION WITH SAID BORE; A VALVE CAGE SLIDABLY MOUNTED IN SAID BORE ON ONE SIDE OF SAID SHELF; A VALVE BODY SLIDABLY MOUNTED IN SAID BORE ON THE OTHER SIDE OF SAID SHELF AND ADAPTED TO SEAT THEREON; MEANS CONNECTING SAID VALVE CAGE TO SAID VALVE BODY WHEREBY MOVEMENT OF SAID VALVE CAGE TOWARD SAID SHELF CAUSES SAID VALVE BODY TO MOVE AWAY FROM SAID SHELF; SPRING MEANS MOUNTED IN SAID BORE ON SAID SHELF TO BIAS SAID VALVE CAGE AWAY FROM SAID SHELF; AND A GENERALLY AMNULAR SEALING MEMBER POSITIONED IN SAID GROOVE AND EXTENDING PARTIALLY INTO SAID BORE, SAID SEALING MEMBER HAVING A FIRST TAPERED GENERALLY ANNULAR WALL; A SECOND TAPERED GENERALLY ANNULAR WALL COAXIAL WITH SAID FIRST WALL; SAID SECOND WALL BEING POSITIONED OUTWARDLY OF SAID FIRST WALL AND BEING THICKER THAN SAID FIRST WALL; A THIRD WALL CONNECTING SAID FIRST AND SAID SECOND GENERALLY ANNULAR
Claim 2
Dependent Claim
189 words
IN A VALVE ADAPTED TO RECEIVE AN EXTERNAL MEMBER, THE COMBINATION COMPRISING: A VALVE HOUSING HAVING A BORE THEREIN, AN ANNULAR SHELF EXTENDING INTO SAID BORE INTERMEDIATE THE ENDS THEREOF AND AN ANNULAR ROUGH-WALLED GROOVE REMOTE FROM SAID SHELF IN COMMUNICATION WITH SAID BORE; A VALVE CAGE SLIDABLY MOUNTED IN SAID BORE ON ONE SIDE OF SAID SHELF; A VALVE BODY SLIDABLY MOUNTED IN SAID BORE ON THE OTHER SIDE OF SAID SHELF AND ADAPTED TO SEAT THEREON; MEANS CONNECTING SAID VALVE CAGE TO SAID VALVE BODY WHEREBY MOVEMENT OF SAID VALVE CAGE TOWARD SAID SHELF CAUSES SAID VALVE BODY TO MOVE AWAY FROM SAID SHELF; SPRING MEANS MOUNTED IN SAID BORE ON SAID SHELF TO BIAS SAID VALVE CAGE AWAY FROM SAID SHELF; AND A GENERALLY AMNULAR SEALING MEMBER POSITIONED IN SAID GROOVE AND EXTENDING PARTIALLY INTO SAID BORE, SAID SEALING MEMBER HAVING A FIRST TAPERED GENERALLY ANNULAR WALL; A SECOND TAPERED GENERALLY ANNULAR WALL COAXIAL WITH SAID FIRST WALL; SAID SECOND WALL BEING POSITIONED OUTWARDLY OF SAID FIRST WALL AND BEING THICKER THAN SAID FIRST WALL; A THIRD WALL CONNECTING SAID FIRST AND SAID SECOND GENERALLY ANNULAR
References Cited (Backward Citations)
US2173295A
Cited
US2265267A
Cited
US2898128A
Cited
GB810625A
Cited
FR1190948A
Cited
US3049157A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-09 | 1969-02-08 | 1969-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-09 | 1973-02-08 | 1973-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-09 | 1977-02-08 | 1977-08-10 | $7700.00 | Window Closed / Lapsed |