Patent US3234815A successfully refreshed from Google Patents.
US3234815A
Expired / Lapsed
US
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Tappet structure
Assignee: Eaton Corp
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Filing: 1962-05-29
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Granted: 1966-02-15
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Expires: 1982-05-29
Abstract
No abstract record available.
Inventors
- 👤 Gerald D Line
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:30
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: 2
Claim 1
Independent Claim
110 words
ELONGATE TAPPET STRUCTURE HAVING AT LEAST THREE LONGITUDINAL SPACED APART GENERALLY LATERALLY OUTWARDLY PROJECTING SUBSTANTIALLY CYLINDRICAL PARTS OF EACH OF WHICH TERMINATE IN SUBSTANTIALLY SMOOTH CIRCUMFERENTIALLY CONTINUOUSLY EXTENDING SURFACES, SAID PARTS OF THE TAPPET STRUCTURE EACH HAVING A COMMON GIVEN DIAMETER WITH THE DIAMETERS OF EACH PART BEING SUBSTANTIALLY EQUAL, ONE OF SAID PARTS OF THE TAPPET STRUCTURE BEING DISPOSED INTERMEDIATE THE OTHER PARTS THEREOF AND DEFINING THEREWITH PORTIONS THEREBETWEEN EACH OF WHICH IS REDUCED IN LONGITUDINAL CROSS-SECTIONAL AREA RELATIVE TO THE LONGITUDINAL CROSS-SECTIONAL AREA OF THE PARTS OF THE TAPPET STRUCTURE, AT LEAST ONE OF THE REDUCED PORTIONS OF THE TAPPET STRUCTURE HAVING A DIAMETER SUBSTANTIALLY LESS THAN THE
Claim 2
Dependent Claim
110 words
ELONGATE TAPPET STRUCTURE HAVING AT LEAST THREE LONGITUDINAL SPACED APART GENERALLY LATERALLY OUTWARDLY PROJECTING SUBSTANTIALLY CYLINDRICAL PARTS OF EACH OF WHICH TERMINATE IN SUBSTANTIALLY SMOOTH CIRCUMFERENTIALLY CONTINUOUSLY EXTENDING SURFACES, SAID PARTS OF THE TAPPET STRUCTURE EACH HAVING A COMMON GIVEN DIAMETER WITH THE DIAMETERS OF EACH PART BEING SUBSTANTIALLY EQUAL, ONE OF SAID PARTS OF THE TAPPET STRUCTURE BEING DISPOSED INTERMEDIATE THE OTHER PARTS THEREOF AND DEFINING THEREWITH PORTIONS THEREBETWEEN EACH OF WHICH IS REDUCED IN LONGITUDINAL CROSS-SECTIONAL AREA RELATIVE TO THE LONGITUDINAL CROSS-SECTIONAL AREA OF THE PARTS OF THE TAPPET STRUCTURE, AT LEAST ONE OF THE REDUCED PORTIONS OF THE TAPPET STRUCTURE HAVING A DIAMETER SUBSTANTIALLY LESS THAN THE
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) | 1969-02-14 | 1969-08-16 | 1970-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-14 | 1973-08-16 | 1974-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-14 | 1977-08-16 | 1978-02-15 | $7700.00 | Window Closed / Lapsed |