Patent US3105474A successfully refreshed from Google Patents.
US3105474A
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Two-cycle internal-combustion engine
Assignee: Kiekhaefer Corp
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Filing: 1961-02-23
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Granted: 1963-10-01
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Expires: 1981-02-23
Abstract
No abstract record available.
Inventors
- 👤 Elmer C Kiekhaefer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:42
CPC Classifications
F; F02; F02B; F02B61/00; F02B61/04; F02B61/045; F02B75/00; F02B75/007; F02F; F02F7/00; F02F7/0021; F02F7/0036; F02B75/02; F02B2075/022; F02B2075/025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
IN A TWO-CYCLE INTERNAL-COMBUSTION ENGINE HAVING AT LEAST ONE BANK OF A PLURALITY OF CYLINDERS DISPOSED IN LINE, EACH CYLINDER HAVING A FUEL INLET AND OPPOSED EXHAUST OUTLET IN THE CYLINDER WALL OPENING TO THE RESPECTIVE SIDES OF THE BANK, SAID FUEL INLETS AND EXHAUST OUTLETS RESPECTIVELY ALTERNATING ON ADJACENT CYLINDERS BETWEEN THE RESPECTIVE SIDES OF THE BANK TO PROVIDE FOR SUBSTANTIAL SYMMETRY OF THERMAL EXPANSION FROM ONE SIDE OF THE ENGINE TO THE OTHER IN OPERATION.
Claim 2
Dependent Claim
77 words
IN A TWO-CYCLE INTERNAL-COMBUSTION ENGINE HAVING AT LEAST ONE BANK OF A PLURALITY OF CYLINDERS DISPOSED IN LINE, EACH CYLINDER HAVING A FUEL INLET AND OPPOSED EXHAUST OUTLET IN THE CYLINDER WALL OPENING TO THE RESPECTIVE SIDES OF THE BANK, SAID FUEL INLETS AND EXHAUST OUTLETS RESPECTIVELY ALTERNATING ON ADJACENT CYLINDERS BETWEEN THE RESPECTIVE SIDES OF THE BANK TO PROVIDE FOR SUBSTANTIAL SYMMETRY OF THERMAL EXPANSION FROM ONE SIDE OF THE ENGINE TO THE OTHER IN OPERATION.
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) | 1966-09-30 | 1967-04-01 | 1967-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-30 | 1971-04-01 | 1971-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-30 | 1975-04-01 | 1975-10-01 | $7700.00 | Window Closed / Lapsed |