US PATENT SUBCLASS 123 / 63
.~ Four-cycle

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


123 /   HD   INTERNAL-COMBUSTION ENGINES

*  DD  DOUBLE-ACTING {2}
63.~ Four-cycle

DEFINITION

Classification: 123/63

Internal-combustion engines working on the four-stroke cycle, hereinafter defined, in which successive burned charges act alternately upon opposite sides of a single reciprocating piston moving in a single cylinder.