US3230944A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manifold structure for internalcombustion engines
Assignee: Kiekhaefer Corp
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Filing: 1964-07-29
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Granted: 1966-01-25
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Expires: 1984-07-29
Abstract
No abstract record available.
Inventors
- 👤 Kiekhaefer Elmer Carl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 07:46
CPC Classifications
F; F02; F02M; F02M35/00; F02M35/10; F02M35/104; F02M35/116; F02M35/1165; F02B; F02B27/00; F02B27/005; F02B27/006; F02B61/00; F02B61/04; F02B61/045; F02B75/00; F02B75/16; F02B75/18; F02B75/22; F02M35/10006; F02M35/10072; F02M35/10091; F02M35/10131; F02M35/1015; F02M35/10183; F02B75/02; F02B2075/022; F02B2075/027; F02B2075/1804; F02B2075/1808; F02B2075/1816; F02B75/007; F02B75/24; F02B75/243; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
IN AN INTERNAL-COMBUSTION ENGINE A CAST CYLINDER BLOCK, A HEAD ASSEMBLED WITH ONE END OF SAID BLOCK AND HAVING A FUEL INLET PASSAGE THEREIN OPENING INTO A CYLINDER IN SAID BLOCK, A CAST HOUSING MEMBER ASSEMBLED WITH THE OTHER END OF SAID BLOCK AND PROVIDING A CRANK CASE THEREWITH, A CARBURETOR MOUNTED ON SAID CAST HOUSING MEMBER REMOTE FROM SAID HEAD AND BLOCK IN A DIRECTION GENERALLY AXIAL OF SAID HEAD, PRE-FORMED MANIFOLD LINERS INTEGRALLY CAST INTO THE CYLINDER BLOCK AND SAID CAST HOUSING MEMBER AND DEFINING AN INTEGRALLY CAST MANIFOLD PASSAGEWAY IN THE WALL OF THE HOUSING MEMBER AND THE CYLINDER BLOCK FOR CARRYING THE FUEL CHARGE FROM THE CARBURETOR TO THE INLET PASSAGE FOR THE CYLINDER AND BEING SELECTED OF A LENGTH AND CROSS-SECTION TO TUNE THE MANIFOLD SYSTEM FOR A SELECTED OPERATING ENGINE SPEED.
Claim 2
Dependent Claim
137 words
IN AN INTERNAL-COMBUSTION ENGINE A CAST CYLINDER BLOCK, A HEAD ASSEMBLED WITH ONE END OF SAID BLOCK AND HAVING A FUEL INLET PASSAGE THEREIN OPENING INTO A CYLINDER IN SAID BLOCK, A CAST HOUSING MEMBER ASSEMBLED WITH THE OTHER END OF SAID BLOCK AND PROVIDING A CRANK CASE THEREWITH, A CARBURETOR MOUNTED ON SAID CAST HOUSING MEMBER REMOTE FROM SAID HEAD AND BLOCK IN A DIRECTION GENERALLY AXIAL OF SAID HEAD, PRE-FORMED MANIFOLD LINERS INTEGRALLY CAST INTO THE CYLINDER BLOCK AND SAID CAST HOUSING MEMBER AND DEFINING AN INTEGRALLY CAST MANIFOLD PASSAGEWAY IN THE WALL OF THE HOUSING MEMBER AND THE CYLINDER BLOCK FOR CARRYING THE FUEL CHARGE FROM THE CARBURETOR TO THE INLET PASSAGE FOR THE CYLINDER AND BEING SELECTED OF A LENGTH AND CROSS-SECTION TO TUNE THE MANIFOLD SYSTEM FOR A SELECTED OPERATING ENGINE SPEED.
References Cited (Backward Citations)
US1190252A
Cited
US1442510A
Cited
US1903607A
Cited
US2506250A
Cited
DE863570C
Cited
US2963009A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-24 | 1969-07-26 | 1970-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-24 | 1973-07-26 | 1974-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-24 | 1977-07-26 | 1978-01-25 | $7700.00 | Window Closed / Lapsed |