US3118433A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air cooled internal combustion engine
Assignee: Briggs and Stratton Corp
•
Filing: 1962-06-27
•
Granted: 1964-01-21
•
Expires: 1982-06-27
Abstract
No abstract record available.
Inventors
- 👤 Leo J Lechtenberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:59
CPC Classifications
F; F01; F01P; F01P1/00; F01P1/02; F02; F02B; F02B63/00; F02B63/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
A SINGLE CYLINDER AIR-COOLED INTERNAL COMBUSTION ENGINE HAVING A CRANKSHAFT, A CYLINDER WITH INTAKE AND EXHAUST PORTS, AND CARBURETOR MEANS TO PROVIDE THE ENGINE WITH A FUEL-AIR MIXTURE, SAID ENGINE BEING CHARACTERIZED BY THE FOLLOWING FEATURES: (A) THE INTAKE AND EXHAUST PORTS ARE LOCATED AT THE SAME SIDE OF THE CYLINDER AND ARE SPACED APART LENGTHWISE OF THE CRANKSHAFT AXIS, (B) THE CARBURETOR MEANS IS MOUNTED ON THE ENGINE AT THE SIDE OF THE CYLINDER DIAMETRICALLY OPPOSITE THE LOCATION OF THE INTAKE AND EXHAUST PORTS, AND (C) A TUBE EXTENDS TRANSVERSELY ACROSS AN INTERVENING SIDE OF THE CYLINDER TO CONNECT THE CARBURETOR MEANS WITH THE INTAKE PORT.
Claim 2
Dependent Claim
107 words
A SINGLE CYLINDER AIR-COOLED INTERNAL COMBUSTION ENGINE HAVING A CRANKSHAFT, A CYLINDER WITH INTAKE AND EXHAUST PORTS, AND CARBURETOR MEANS TO PROVIDE THE ENGINE WITH A FUEL-AIR MIXTURE, SAID ENGINE BEING CHARACTERIZED BY THE FOLLOWING FEATURES: (A) THE INTAKE AND EXHAUST PORTS ARE LOCATED AT THE SAME SIDE OF THE CYLINDER AND ARE SPACED APART LENGTHWISE OF THE CRANKSHAFT AXIS, (B) THE CARBURETOR MEANS IS MOUNTED ON THE ENGINE AT THE SIDE OF THE CYLINDER DIAMETRICALLY OPPOSITE THE LOCATION OF THE INTAKE AND EXHAUST PORTS, AND (C) A TUBE EXTENDS TRANSVERSELY ACROSS AN INTERVENING SIDE OF THE CYLINDER TO CONNECT THE CARBURETOR MEANS WITH THE INTAKE PORT.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-01-20 | 1967-07-22 | 1968-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-20 | 1971-07-22 | 1972-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-20 | 1975-07-22 | 1976-01-21 | $7700.00 | Window Closed / Lapsed |