Patent US3145696A successfully refreshed from Google Patents.
US3145696A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Internal combustion engine
Assignee: Volvo White Truck Corp
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Filing: 1962-08-31
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Granted: 1964-08-25
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Expires: 1982-08-31
Abstract
No abstract record available.
Inventors
- 👤 Forest S Baster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:45
CPC Classifications
F; F02; F02F; F02F1/00; F02F1/24; F02F1/42; F02F1/4235; F02F2001/244; F02F2001/247; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49229; Y10T29/49231
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
AN INTERNAL COMBUSTION ENGINE HAVING HEAD AND BLOCK MEMBERS DEFINING A COMBUSTION CHAMBER AND A VALVED EXHAUST PORT IN COMMUNICATION WITH THE CHAMBER, THE COMBINATION OF: (A) ONE OF SAID MEMBERS HAVING AN INTAKE PORT FORMED THEREIN; (B) SAID PORT HAVING AN EXIT COMMUNICATING WITH THE CHAMBER; (C) SAID ONE MEMBER INCLUDING A VALVE SEAT CIRCUMSCRIBING SAID EXIT; (D) A VALVE MEMBER RECIPROCABLY CARRIED BY SAID ONE MEMBER AND COACTABLE WITH THE SEAT TO CLOSE SAID EXIT; (E) SAID PORT INCLUDING A FLOW DIRECTING OUTLET PORTION TERMINATING ADJACENT THE EXIT; (F) SAID PORTION INCLUDING A FIRST SECTION AT A SKEW ANGLE WITH THE OUTLET AND HAVING A SUBSTANTIALLY SMOOTH WALL FREE OF IRREGULARITIES DEFINING A NONCONVERGENT PASSAGE AND A SECOND SECTION HAVING A WALL DEFINING A SOLID OF REVOLUTION TAPERING OUTWARDLY FROM THE FIRST SECTION TO THE SEAT.
Claim 2
Dependent Claim
138 words
AN INTERNAL COMBUSTION ENGINE HAVING HEAD AND BLOCK MEMBERS DEFINING A COMBUSTION CHAMBER AND A VALVED EXHAUST PORT IN COMMUNICATION WITH THE CHAMBER, THE COMBINATION OF: (A) ONE OF SAID MEMBERS HAVING AN INTAKE PORT FORMED THEREIN; (B) SAID PORT HAVING AN EXIT COMMUNICATING WITH THE CHAMBER; (C) SAID ONE MEMBER INCLUDING A VALVE SEAT CIRCUMSCRIBING SAID EXIT; (D) A VALVE MEMBER RECIPROCABLY CARRIED BY SAID ONE MEMBER AND COACTABLE WITH THE SEAT TO CLOSE SAID EXIT; (E) SAID PORT INCLUDING A FLOW DIRECTING OUTLET PORTION TERMINATING ADJACENT THE EXIT; (F) SAID PORTION INCLUDING A FIRST SECTION AT A SKEW ANGLE WITH THE OUTLET AND HAVING A SUBSTANTIALLY SMOOTH WALL FREE OF IRREGULARITIES DEFINING A NONCONVERGENT PASSAGE AND A SECOND SECTION HAVING A WALL DEFINING A SOLID OF REVOLUTION TAPERING OUTWARDLY FROM THE FIRST SECTION TO THE SEAT.
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) | 1967-08-25 | 1968-02-24 | 1968-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-25 | 1972-02-24 | 1972-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-25 | 1976-02-24 | 1976-08-25 | $7700.00 | Window Closed / Lapsed |