Patent US3941470A successfully refreshed from Google Patents.
Patent US3150648A successfully refreshed from Google Patents.
US3150648A
Expired / Lapsed
US
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Valve gear
Assignee: Ford Motor Co
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Filing: 1962-12-20
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Granted: 1964-09-29
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Expires: 1982-12-20
Abstract
No abstract record available.
Inventors
- 👤 Karl H Gropp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:47
CPC Classifications
F; F01; F01L; F01L1/00; F01L1/12; F01L1/18; F01L1/181; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20882
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
157 words
AN INTERNAL COMBUSTION ENGINE VALVE GEAR COMPRISING A PLURALITY OF SPACED APART ROCKER ARM SUPPORTS, A ROCKER ARM SHAFT SUPPORTED BY SAID ROCKER ARM SUPPORTS, A PLURALITY OF ROCKER ARMS, EACH OF SAID ROCKER ARMS HAVING A WEB TERMINATING IN INTERGRAL DEPENDENT SIDES, POPPET VALVE AND PUSH ROD ENGAGING END PORTIONS INTEGRAL WITH SAID WEB AND ROCKER ARM SHAFT ENGAGEMENT MEANS INTERMEDIATE OF SAID END PORTIONS AND ON THE SIDE OF THE WEB OPPOSITE TO THE DEPENDENT SIDES, EACH OF SAID ROCKER ARMS BEING DISPOSED ADJACENT TO A ROCKER ARM SUPPORT AND HAVING SAID ROCKER ARM SHAFT ENGAGEMENT MEANS IN ENGAGEMENT WITH SAID ROCKER ARM SHAFT, SPRING MEANS ENCIRCLING SAID ROCKER ARM SHAFT ADJACENT EACH OF SAID ROCKER ARMS, AND MEANS INTERPOSED BETWEEN SAID WEBS AND SAID SPRING MEANS PROVIDING A 360 DEGREE BEARING SURFACE FOR SAID SPRING MEANS WHEREBY SAID SPRING MEANS URGES EACH OF SAID ROCKER ARMS LATERALLY INTO ABUTMENT WITH A ROCKER ARM SUPPORT.
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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) | 1967-09-29 | 1968-03-30 | 1968-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-29 | 1972-03-30 | 1972-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-29 | 1976-03-30 | 1976-09-29 | $7700.00 | Window Closed / Lapsed |