US3192954A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Distributing valve
Assignee: Universal Oil Products Co
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Filing: 1963-10-18
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Granted: 1965-07-06
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Expires: 1983-10-18
Abstract
No abstract record available.
Inventors
- 👤 Clarence G Gerhold
- 👤 Donald B Broughton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:06
CPC Classifications
F; F16; F16K; F16K11/00; F16K11/02; F16K11/08; F16K11/085; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86501; Y10T137/86863; Y10T137/86871
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
181 words
A VALVE COMPRISING A CYLINDRICAL VALVE CASING HAVING A PLURALITY OF PORTS EXTENDING THROUGH THE CASING, A CYLINDRICAL ROD SHAPED PLUG HAVING TWO ENDS WITHIN SAID CASING AND ROTATABLE THEREIN, THE EXTERIOR SURFACE OF THE PLUG BEING IN FLUID-TIGHT CONTACT WITH THE INTERIOR SURFACE OF THE CASING, A PLURALITY OF SPACED CIRCULAR GROOVES FORMED IN ONE OF SAID EXTERIOR AND INTERIOR SURFACES WHOLLY WITHIN THE AREA OF FLUID-TIGHT CONTACT BETWEEN THE PLUG AND THE CASING AND EXTENDING 360* AROUND THE AXIS OF ROTATION OF SAID PLUG, ALL OF SAID PARALLEL CIRCULAR GROOVES DISPOSED BETWEEN ONE OF SAID ENDS OF THE PLUG AND THE PORTS, A CONDUIT COMMUNICATING WITH EACH OF SAID CIRCULAR GROOVES AND EXTENDING THROUGH A WALL OF THE CASING TO THE EXTERIOR OF THE CASING, A PLURALITY OF RECESSES CORRESPONDING IN NUMBER WITH SAID CIRCULAR GROOVES DISPOSED IN AND CIRCUMFERENTIALLY SPACED AROUND THE EXTERIOR SURFACE OF THE PLUG CONTACTING THE CASING, SAID PORTS IN THE CASING BEING SPACED AROUND THE PERIPHERY THEREOF SO THAT EACH OF THE PORTS IS IN COMMUNICATION WITH EACH OF SAID RECESSES AT SOME POINT
Claim 2
Dependent Claim
181 words
A VALVE COMPRISING A CYLINDRICAL VALVE CASING HAVING A PLURALITY OF PORTS EXTENDING THROUGH THE CASING, A CYLINDRICAL ROD SHAPED PLUG HAVING TWO ENDS WITHIN SAID CASING AND ROTATABLE THEREIN, THE EXTERIOR SURFACE OF THE PLUG BEING IN FLUID-TIGHT CONTACT WITH THE INTERIOR SURFACE OF THE CASING, A PLURALITY OF SPACED CIRCULAR GROOVES FORMED IN ONE OF SAID EXTERIOR AND INTERIOR SURFACES WHOLLY WITHIN THE AREA OF FLUID-TIGHT CONTACT BETWEEN THE PLUG AND THE CASING AND EXTENDING 360* AROUND THE AXIS OF ROTATION OF SAID PLUG, ALL OF SAID PARALLEL CIRCULAR GROOVES DISPOSED BETWEEN ONE OF SAID ENDS OF THE PLUG AND THE PORTS, A CONDUIT COMMUNICATING WITH EACH OF SAID CIRCULAR GROOVES AND EXTENDING THROUGH A WALL OF THE CASING TO THE EXTERIOR OF THE CASING, A PLURALITY OF RECESSES CORRESPONDING IN NUMBER WITH SAID CIRCULAR GROOVES DISPOSED IN AND CIRCUMFERENTIALLY SPACED AROUND THE EXTERIOR SURFACE OF THE PLUG CONTACTING THE CASING, SAID PORTS IN THE CASING BEING SPACED AROUND THE PERIPHERY THEREOF SO THAT EACH OF THE PORTS IS IN COMMUNICATION WITH EACH OF SAID RECESSES AT SOME POINT
References Cited (Backward Citations)
US1024909A
Cited
US1447008A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-05 | 1969-01-04 | 1969-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-05 | 1973-01-04 | 1973-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-05 | 1977-01-04 | 1977-07-06 | $7700.00 | Window Closed / Lapsed |