Patent US3236495A successfully refreshed from Google Patents.
US3236495A
Expired / Lapsed
US
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Ball valve
Assignee: WHITEY RESEARCH TOOL Co
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Filing: 1963-03-25
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Granted: 1966-02-22
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Expires: 1983-03-25
Abstract
No abstract record available.
Inventors
- 👤 Kurt H Buchholz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:30
CPC Classifications
F; F16; F16K; F16K5/00; F16K5/06; F16K5/0663; F16K5/0689; Y; Y10; Y10T; Y10T137/00; Y10T137/7504; Y10T137/7668
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
A VALVE COMPRISING A VALVE BODY HAVING A THROUGH BORE AND A CENTRAL CHAMBER EXTENDING TRANSVERSELY OF SAID THROUGH BORE, A SEALING CAPSULE DISPOSED IN SAID CHAMBER, SAID CAPSULE HAVING INTERSECTING PASSAGES THERETHROUGH DIVIDING THE CAPSULE INTO QUADRANTS AND A SPHERICAL CAVITY AT THE INTERSECTION OF SAID PASSAGES, ONE OF SAID PASSAGES BEING ALIGNED WITH SAID THROUGH BORE, ROTATABLE BALL MEANS DISPOSED IN SAID SPHERICAL CAVITY, SAID BALL MEANS HAVING A BORE ADAPTED TO BE ALIGNED WITH SAID PASSGES, MEANS OPERABLY CONNECTED TO SAID BALL MEANS FOR ROTATING THE BALL MEANS, THEREBY TO ALIGN SELECTIVELY SAID BORE OF SAID BALL WITH SAID PASAGES,
Claim 2
Dependent Claim
103 words
A VALVE COMPRISING A VALVE BODY HAVING A THROUGH BORE AND A CENTRAL CHAMBER EXTENDING TRANSVERSELY OF SAID THROUGH BORE, A SEALING CAPSULE DISPOSED IN SAID CHAMBER, SAID CAPSULE HAVING INTERSECTING PASSAGES THERETHROUGH DIVIDING THE CAPSULE INTO QUADRANTS AND A SPHERICAL CAVITY AT THE INTERSECTION OF SAID PASSAGES, ONE OF SAID PASSAGES BEING ALIGNED WITH SAID THROUGH BORE, ROTATABLE BALL MEANS DISPOSED IN SAID SPHERICAL CAVITY, SAID BALL MEANS HAVING A BORE ADAPTED TO BE ALIGNED WITH SAID PASSGES, MEANS OPERABLY CONNECTED TO SAID BALL MEANS FOR ROTATING THE BALL MEANS, THEREBY TO ALIGN SELECTIVELY SAID BORE OF SAID BALL WITH SAID PASAGES,
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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) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |