US3157068A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for reconditioning valve guides
Assignee: HALL TOLEDO Inc
•
Filing: 1962-04-02
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Granted: 1964-11-17
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Expires: 1982-04-02
Abstract
No abstract record available.
Inventors
- 👤 Paul E Rickert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 06:58
CPC Classifications
B; B23; B23C; B23C3/00; B23C3/02; B23C3/05; B23C3/051; B23C3/053; B23C3/055; B23C2215/00; B23C2215/60; Y; Y10; Y10T; Y10T408/00; Y10T408/55; Y10T408/553; Y10T408/557; Y10T408/558; Y10T408/5583; Y10T408/5584
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
A GUIDING FIXTURE FOR A TOOL FOR RECONDITIONING VALVE GUIDES FOR VALVES OF INTERNAL COMBUSTION ENGINES, COMPRISING: (A) A BASE MEMBER, (B) MEANS FOR REMOVABLY ANCHORING SAID BASE MEMBER TO AN ENGINE ADJACENT THE VALVE GUIDE TO BE RECONDITIONED, (C) BUSHING MEANS TO GUIDE THE SHANK OF A CUTTING TOOL AXIALLY OF THE VALVE SEAT AND VALVE GUIDE FOR RECONDITIONING SAID VALVE GUIDE, (D) MEANS MOUNTED ON SAID GUIDE MEANS TO ALIGN SAID GUIDE MEANS WITH SAID VALVE SEAT BY ENGAGEMENT WITH SAID VALVE SEAT, AND (E) MEANS ENGAGEABLE WITH SAID GUIDE MEANS FOR CLAMPING SAID GUIDE MEANS IN A POSITION BETWEEN SAID VALVE SEAT AND SAID BASE MEMBER WITH SAID SEAT ENGAGING MEANS AGAINST SAID VALVE SEAT AND WITH THE END OF SAID GUIDE MEANS REMOTE FROM SAID VALVE SEAT AGAINST SAID BASE MEMBER.
Claim 2
Dependent Claim
135 words
A GUIDING FIXTURE FOR A TOOL FOR RECONDITIONING VALVE GUIDES FOR VALVES OF INTERNAL COMBUSTION ENGINES, COMPRISING: (A) A BASE MEMBER, (B) MEANS FOR REMOVABLY ANCHORING SAID BASE MEMBER TO AN ENGINE ADJACENT THE VALVE GUIDE TO BE RECONDITIONED, (C) BUSHING MEANS TO GUIDE THE SHANK OF A CUTTING TOOL AXIALLY OF THE VALVE SEAT AND VALVE GUIDE FOR RECONDITIONING SAID VALVE GUIDE, (D) MEANS MOUNTED ON SAID GUIDE MEANS TO ALIGN SAID GUIDE MEANS WITH SAID VALVE SEAT BY ENGAGEMENT WITH SAID VALVE SEAT, AND (E) MEANS ENGAGEABLE WITH SAID GUIDE MEANS FOR CLAMPING SAID GUIDE MEANS IN A POSITION BETWEEN SAID VALVE SEAT AND SAID BASE MEMBER WITH SAID SEAT ENGAGING MEANS AGAINST SAID VALVE SEAT AND WITH THE END OF SAID GUIDE MEANS REMOTE FROM SAID VALVE SEAT AGAINST SAID BASE MEMBER.
References Cited (Backward Citations)
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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) | 1967-11-17 | 1968-05-18 | 1968-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-17 | 1972-05-18 | 1972-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-17 | 1976-05-18 | 1976-11-17 | $7700.00 | Window Closed / Lapsed |