US3135254A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Internal combustion engine
Assignee: Motors Liquidation Co
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Filing: 1961-08-03
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Granted: 1964-06-02
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Expires: 1981-08-03
Abstract
No abstract record available.
Inventors
- 👤 Richard E Hulten
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:43
CPC Classifications
F; F01; F01L; F01L1/00; F01L1/46; F02; F02B; F02B2275/00; F02B2275/34
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
129 words
IN AN INTERNAL COMBUSTION ENGINE HAVING A CAMSHAFT, CYLINDERS AND PISTONS, VALVE MEANS INCLUDING VALVE LIFTERS, AND AN ENGINE BLOCK WITH LUBRICATION PASSAGES THEREIN: MEANS FOR MOUNTING SAID CAMSHAFT LONGITUDINALLY THEREOF AND ADJACENT SAID CYLINDERS; A PLURALITY OF WALLS EXTENDING TRANSVERSELY OF SAID BLOCK AND ABOUT SAID CAMSHAFT, SAID WALLS HAVING OPENINGS THEREIN RECEIVING SAID CAMSHAFT; MANUALLY RELEASABLE SECURING MEANS IN EACH OF SAID WALLS; AND A TUBULAR MEMBER EXTENDING LONGITUDINALLY OF SAID BLOCK AND PARALLEL TO SAID CAMSHAFT AND SPACED THEREFROM, SAID TUBULAR MEMBER BEING SECURED IN SAID WALLS BY SAID MANUALLY RELEASABLE SECURING MEANS AND HAVING A PLURALITY OF TRANSVERSE OPENINGS FORMED THERETHROUGH FOR RECEIVING AND GUIDING THE VALVE LIFTERS AND ADDITIONAL LUBRICATION PASSAGES FORMED THEREIN IN FLUID COMMUNICATION WITH SAID LUBRICATION PASSAGES IN SAID ENGINE BLOCK.
References Cited (Backward Citations)
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US1969690A
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US2781750A
Cited
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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) | 1967-06-02 | 1967-12-02 | 1968-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-02 | 1971-12-02 | 1972-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-02 | 1975-12-02 | 1976-06-02 | $7700.00 | Window Closed / Lapsed |