US3146792A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ball valve
Assignee: Individual
•
Filing: 1963-12-11
•
Granted: 1964-09-01
•
Expires: 1983-12-11
Abstract
No abstract record available.
Inventors
- 👤 William H Donnelly
- 👤 Edward V Mcmullin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:44
CPC Classifications
F; F16; F16L; F16L55/00; F16L55/26; F16L55/46; F16K; F16K5/00; F16K5/06; F16K5/0605; F16K5/0626; F16K5/0642; Y; Y10; Y10T; Y10T137/00; Y10T137/4891; Y10T137/7722; Y10T137/7837; Y10T137/7847; Y10T137/8593; Y10T137/87917; Y10T137/88022; Y10T137/8803
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
A VALVE COMPRISING A TUBULAR BODY HAVING A LATERAL OPENING THEREIN, A BALL HAVING A HOLE THERETHROUGH ROTATABLE IN THE BODY BETWEEN A FIRST POSITION IN WHICH THE HOLE IS ALIGNED WITH THE BODY FOR FLOW THERETHROUGH AND A SECOND POSITION IN WHICH THE HOLE IS ALIGNED WITH THE LATERAL OPENING AND THE BALL BLOCKS FLOW THROUGH THE BODY, A LATERAL TUBULAR EXTENSION ON SAID TUBULAR BODY DEFINING SAID LATERAL OPENING, A REMOVABLE CAP SUBSTANTIALLY CLOSING THE OUTER END OF SAID EXTENSION TO PROVIDE A PRESSURE CHAMBER WITHIN SAID EXTENSION, RELIEF MEANS ASSOCIATED WITH SAID PRESSURE CHAMBER FOR BLEEDING THE LATTER AND THE HOLE IN SAID BALL WHEN THE BALL IS ROTATED FROM ITS FIRST TO ITS SECOND POSITION, AN INSERT IN THE HOLE IN THE BALL ACCESSIBLE THROUGH SAID LATERAL TUBULAR EXTENSION WHEN THE BALL IS ROTATED TO SAID SECOND POSITION, SAID INSERT HAVING A PAS-
Claim 2
Dependent Claim
147 words
A VALVE COMPRISING A TUBULAR BODY HAVING A LATERAL OPENING THEREIN, A BALL HAVING A HOLE THERETHROUGH ROTATABLE IN THE BODY BETWEEN A FIRST POSITION IN WHICH THE HOLE IS ALIGNED WITH THE BODY FOR FLOW THERETHROUGH AND A SECOND POSITION IN WHICH THE HOLE IS ALIGNED WITH THE LATERAL OPENING AND THE BALL BLOCKS FLOW THROUGH THE BODY, A LATERAL TUBULAR EXTENSION ON SAID TUBULAR BODY DEFINING SAID LATERAL OPENING, A REMOVABLE CAP SUBSTANTIALLY CLOSING THE OUTER END OF SAID EXTENSION TO PROVIDE A PRESSURE CHAMBER WITHIN SAID EXTENSION, RELIEF MEANS ASSOCIATED WITH SAID PRESSURE CHAMBER FOR BLEEDING THE LATTER AND THE HOLE IN SAID BALL WHEN THE BALL IS ROTATED FROM ITS FIRST TO ITS SECOND POSITION, AN INSERT IN THE HOLE IN THE BALL ACCESSIBLE THROUGH SAID LATERAL TUBULAR EXTENSION WHEN THE BALL IS ROTATED TO SAID SECOND POSITION, SAID INSERT HAVING A PAS-
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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) | 1967-09-01 | 1968-03-02 | 1968-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-01 | 1972-03-02 | 1972-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-01 | 1976-03-02 | 1976-09-01 | $7700.00 | Window Closed / Lapsed |