Patent US3097633A successfully refreshed from Google Patents.
US3097633A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Internal combustion engine
Assignee: Individual
•
Filing: 1961-05-08
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Granted: 1963-07-16
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Expires: 1981-05-08
Abstract
No abstract record available.
Inventors
- 👤 Klein Fritz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:08
CPC Classifications
F; F01; F01L; F01L1/00; F01L1/28; F01L3/00; F01L3/06; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86574; Y10T137/86622; Y10T137/87169
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
IN COMBINATION WITH THE CYLINDER OF AN INTERNAL COMBUSTION ENGINE HAVING A PISTON RECIPROCABLE THEREIN, A CYLINDER HEAD CASTING COMPRISING A CLOSURE FOR THE UPPER END OF SAID CYLINDER, A MONIFOLD FORMED IN SAID HEAD TRANSVERSE TO SAID CYLINDER AND HAVING AN INTAKE AND A DISCHARGE SIDE RELATIVE THERETO, A SINGLE VALVE PORT FORMED IN SAID HEAD CONCENTRIC TO SAID CYLINDER AND APPROXIMATELY 70% OF THE DIAMETER THEREOF FACILITATING MAXIMUM COMMUNICATION OF SAID CYLINDER WITH SAID MANIFOLD, A VALVE FOR SAID PORT HAVING A STEM EXTENDING UPWARDLY THEREFROM FOR OVERHEAD OPERATION TO OPEN AND CLOSE THE LATTER IN TIME RELATION WITH THE RECIPROCATING OF SAID PISTON, A GUIDE SLEEVE IN SAID CYLINDER HEAD CASTING HAVING A LOWER
Claim 2
Dependent Claim
117 words
IN COMBINATION WITH THE CYLINDER OF AN INTERNAL COMBUSTION ENGINE HAVING A PISTON RECIPROCABLE THEREIN, A CYLINDER HEAD CASTING COMPRISING A CLOSURE FOR THE UPPER END OF SAID CYLINDER, A MONIFOLD FORMED IN SAID HEAD TRANSVERSE TO SAID CYLINDER AND HAVING AN INTAKE AND A DISCHARGE SIDE RELATIVE THERETO, A SINGLE VALVE PORT FORMED IN SAID HEAD CONCENTRIC TO SAID CYLINDER AND APPROXIMATELY 70% OF THE DIAMETER THEREOF FACILITATING MAXIMUM COMMUNICATION OF SAID CYLINDER WITH SAID MANIFOLD, A VALVE FOR SAID PORT HAVING A STEM EXTENDING UPWARDLY THEREFROM FOR OVERHEAD OPERATION TO OPEN AND CLOSE THE LATTER IN TIME RELATION WITH THE RECIPROCATING OF SAID PISTON, A GUIDE SLEEVE IN SAID CYLINDER HEAD CASTING HAVING A LOWER
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) | 1966-07-15 | 1967-01-14 | 1967-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-15 | 1971-01-14 | 1971-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-15 | 1975-01-14 | 1975-07-16 | $7700.00 | Window Closed / Lapsed |