Patent US3279446A successfully refreshed from Google Patents.
US3279446A
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Valve tappet
Assignee: Eaton Corp
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Filing: 1964-06-12
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Granted: 1966-10-18
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Expires: 1984-06-12
Abstract
No abstract record available.
Inventors
- 👤 Alfred C H Rappa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:04
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
51 words
A GENERALLY CYLINDER VALVE TAPPET COMPRISING: A FIRST LAND AT ONE END HAVING A CUP SHAPED RECESS THEREON FOR RECEIVING ONE END OF THE VALVE ACTUATING MEMBER, A SECOND LAND AT THE OTHER END THEREOF, AND A TRANSVERSE, HELICAL WEB DISPOSED BETWEEN SAID FIRST AND SAID SECOND LANDS AND INTEGRAL THEREWITH.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-17 | 1970-04-18 | 1970-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-17 | 1974-04-18 | 1974-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-17 | 1978-04-18 | 1978-10-18 | $7700.00 | Window Closed / Lapsed |