US3400696A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve train
Assignee: EARL A THOMPSON Manufacturing CO
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Filing: 1966-01-05
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Granted: 1968-09-10
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Expires: 1986-01-05
Abstract
No abstract record available.
Inventors
- 👤 Earl A Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:42
CPC Classifications
F; F01; F01L; F01L1/00; F01L1/20; F01L1/22; F01L1/24; F01L1/2405; F01L2810/00; F01L2810/02; F01L2820/00; F01L2820/01; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/1828; Y10T74/20; Y10T74/20576; Y10T74/20582
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
97 words
AN INTERNAL COMBUSTION ENGINE COMPRISING IN COMBINATION A RECIPROCABLE VALVE SUPPORTED IN THE ENGINE, A PIVOTED ROCKER ARM BEARING ON THE VALVE AND BEARING ON A FULCRUM WHICH IS RECIPROCABLE WITHIN A GUIDE, A CAM ROTATABLE AGAINST THE ROCKER ARM FOR OPERATING THE VALVE, THE CAM PRODUCING COMPONENTS OF FORCE ON THE ROCKER ARM IN THE DIRECTION OF ITS LENGTH AND PERPENDICULAR TO ITS LENGTH, AN AUTOMATIC LASH ADJUSTER FOR THE FULCRUM AND MEANS FOR PREVENTING TRANSMISSION FROM THE CAM TO THE FULCRUM OF COMPONENTS OF FORCE IN THE DIRECTION OF THE LENGTH OF THE ROCKER ARM.
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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) | 1971-09-10 | 1972-03-11 | 1972-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-10 | 1976-03-11 | 1976-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-10 | 1980-03-11 | 1980-09-10 | $7700.00 | Window Closed / Lapsed |