Patent US3158165A successfully refreshed from Google Patents.
US3158165A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve assembly and method of making it
Assignee: Timken US LLC
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Filing: 1961-06-20
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Granted: 1964-11-24
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Expires: 1981-06-20
Abstract
No abstract record available.
Inventors
- 👤 Carl F Benson
- 👤 John H Cowles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:58
CPC Classifications
F; F16; F16K; F16K13/00; F16K13/04; Y; Y10; Y10T; Y10T137/00; Y10T137/1624; Y10T137/1632; Y10T137/3584; Y10T137/3786; Y10T137/7722; Y10T137/7837; Y10T137/7904; Y10T137/7908; Y10T137/7909; Y10T137/7913; Y10T137/7915; Y10T29/00; Y10T29/49; Y10T29/49405; Y10T29/49412
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
A VALVE ASSEMBLY COMPRISING A HOUSING HAVING AN AXIAL BORE INWARDLY FROM ONE END, SPACED LONGITUDINAL RIBS ON THE WALL OF SAID BORE, A VALVE HAVING A NARROW RIM CONTACTING THE HOUSING AT THE INNER END OF SAID BORE, SAID VALVE RIM AND THE ADJACENT SURFACE OF THE HOUSING HAVING COMPLEMENTARY FRACTURED SURFACES, A STEM PROJECTING FROM THE FREE END OF THE VALVE, AN ABUTMENT IN THE HOUSING BORE, SAID ABUTMENT HAVING A POLYHEDRAL AXIAL BEARING, A POLYHEDRAL GUIDE STEM ON THE ADJACENT END OF THE VALVE SLIDABLE IN SAID BEARING, AND MEANS TO HOLD THE ABUTMENT FROM ROTATION AND AXIAL MOVEMENT.
Claim 2
Dependent Claim
102 words
A VALVE ASSEMBLY COMPRISING A HOUSING HAVING AN AXIAL BORE INWARDLY FROM ONE END, SPACED LONGITUDINAL RIBS ON THE WALL OF SAID BORE, A VALVE HAVING A NARROW RIM CONTACTING THE HOUSING AT THE INNER END OF SAID BORE, SAID VALVE RIM AND THE ADJACENT SURFACE OF THE HOUSING HAVING COMPLEMENTARY FRACTURED SURFACES, A STEM PROJECTING FROM THE FREE END OF THE VALVE, AN ABUTMENT IN THE HOUSING BORE, SAID ABUTMENT HAVING A POLYHEDRAL AXIAL BEARING, A POLYHEDRAL GUIDE STEM ON THE ADJACENT END OF THE VALVE SLIDABLE IN SAID BEARING, AND MEANS TO HOLD THE ABUTMENT FROM ROTATION AND AXIAL MOVEMENT.
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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) | 1967-11-24 | 1968-05-25 | 1968-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-24 | 1972-05-25 | 1972-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-24 | 1976-05-25 | 1976-11-24 | $7700.00 | Window Closed / Lapsed |