US3155084A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cooling means for internal combustion engines
Assignee: Caterpillar Inc
•
Filing: 1962-03-28
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Granted: 1964-11-03
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Expires: 1982-03-28
Abstract
No abstract record available.
Inventors
- 👤 George B Grim
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:56
CPC Classifications
F; F02; F02F; F02F1/00; F02F1/02; F02F1/10; F02F1/16; F02F1/166; F01; F01P; F01P3/00; F01P3/12; F01P3/14; F02F1/24; F02F1/42; F02F1/4214; F02F11/00; F02F11/002; F02F2001/248; F02F2001/249
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
A COOLING ARRANGEMENT FOR AN INTERNAL COMBUSTION ENGINE HAVING A COMBUSTION CHAMBER FORMED IN A CYLINDER BLOCK AND VALVE MEANS AND PRECOMBUSTION MEANS ARRANGED IN A CYLINDER HEAD THEREOF IN COMMUNICATING RELATIONSHIP WITH SAID CHAMBER FOR DRIVING SAID ENGINE COMPRISING A SUBSTANTIALLY FLAT INSERT MEMBER ARRANGED BETWEEN SAID HEAD AND SAID BLOCK, SAID INSERT MEMBER FORMING PASSAGE MEANS OF SUBSTANTIALLY UNIFORM CROSS-SECTION WITH SAID HEAD ARRANGED TO CLOSELY SURROUND LOWER PORTIONS OF SAID VALVE MEANS AND LOWER PORTIONS OF SAID PRECOMBUSTION MEANS, SAID LOWER PORTIONS COMPRISING "HOT SPOTS" OF SAID ENGINE, SAID PASSAGE MEANS COMMUNICATING WITH COOLANT CHAMBER MEANS FORMED IN SAID HEAD ARRANGED IN SURROUNDING RELATIONSHIP WITH SAID VALVE MEANS AND SAID PRECOM-
Claim 2
Dependent Claim
114 words
A COOLING ARRANGEMENT FOR AN INTERNAL COMBUSTION ENGINE HAVING A COMBUSTION CHAMBER FORMED IN A CYLINDER BLOCK AND VALVE MEANS AND PRECOMBUSTION MEANS ARRANGED IN A CYLINDER HEAD THEREOF IN COMMUNICATING RELATIONSHIP WITH SAID CHAMBER FOR DRIVING SAID ENGINE COMPRISING A SUBSTANTIALLY FLAT INSERT MEMBER ARRANGED BETWEEN SAID HEAD AND SAID BLOCK, SAID INSERT MEMBER FORMING PASSAGE MEANS OF SUBSTANTIALLY UNIFORM CROSS-SECTION WITH SAID HEAD ARRANGED TO CLOSELY SURROUND LOWER PORTIONS OF SAID VALVE MEANS AND LOWER PORTIONS OF SAID PRECOMBUSTION MEANS, SAID LOWER PORTIONS COMPRISING "HOT SPOTS" OF SAID ENGINE, SAID PASSAGE MEANS COMMUNICATING WITH COOLANT CHAMBER MEANS FORMED IN SAID HEAD ARRANGED IN SURROUNDING RELATIONSHIP WITH SAID VALVE MEANS AND SAID PRECOM-
References Cited (Backward Citations)
GB172879A
Cited
GB180302A
Cited
US1479129A
Cited
US2077225A
Cited
FR1035623A
Cited
US2730085A
Cited
US2739579A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-03 | 1968-05-04 | 1968-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-03 | 1972-05-04 | 1972-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-03 | 1976-05-04 | 1976-11-03 | $7700.00 | Window Closed / Lapsed |