The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 19, 1990
Filed:
Jan. 12, 1989
Applicant:
Inventor:
George G Lassanske, Oconomowoc, WI (US);
Assignee:
Outboard Marine Corporation, Waukegan, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02F / ;
U.S. Cl.
CPC ...
1231 / ; 9216 / ;
Abstract
An internal combustion engine is provided having a generally cylindrical piston, a piston ring on the generally cylindrical piston, and a cylinder receiving therein the piston for reciprocation with the piston ring. The piston ring and the cylinder are configured in such a fashion that rotation of the piston ring relative to the cylinder is prevented.