Patent US3303833A successfully refreshed from Google Patents.
US3303833A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve tappet
Assignee: Individual
•
Filing: 1964-09-21
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Granted: 1967-02-14
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Expires: 1984-09-21
Abstract
No abstract record available.
Inventors
- 👤 Aubrey B Melling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:15
CPC Classifications
F; F01; F01L; F01L1/00; F01L1/12; F01L1/14; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2101; Y10T74/2107
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
107 words
THE COMBINATION OF A BODY MEMBER, A VALVE AND A VALVE ACTUATING CAM HAVING A PERIPHERAL BEARING PORTION OF SUBSTANTIAL WIDTH, SAID BODY MEMBER HAVING A TAPPET HOLDER OPERATIVELY ASSOCIATED WITH SAID VAVE, A TAPPET BODY MEMBER RECIPROCATINGLY MOUNTED IN SAID HOLDER AND OPERATIVELY ASSOCIATED WITH SAID VALVE, SAID TAPPET BODY MEMBER HAVING A CONCAVE OUTWARDLY FACING CAM ENGAGING MEMBER SEAT AT ITS OUTER END, A CAM ENGAGING THRUST MEMBER HAVING A SPHERICALLY CURVED INNER PORTION TILTABLY SUPPORTED IN SAID SEAT AND IN COACTING RELATION WITH SAID CAM, THERE BEING A LUBRICANT SUPPLY CONNECTED FOR SAID TAPPET BODY MEMBER, ONE OF SAID CAM ENGAGING MEMBER AND SEAT
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) | 1970-02-13 | 1970-08-15 | 1971-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-13 | 1974-08-15 | 1975-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-13 | 1978-08-15 | 1979-02-14 | $7700.00 | Window Closed / Lapsed |