US PATENT SUBCLASS 123 / 53.6
.~ Cylinders having opposing heads

Current as of: June, 1999
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123 /   HD   INTERNAL-COMBUSTION ENGINES

52.1  DF  MULTIPLE CYLINDER {7}
53.6.~ Cylinders having opposing heads

DEFINITION

Classification: 123/53.6

Cylinders having opposing heads:

(under subclass 52.1) Multiple cylinder engine wherein a first and a second cylinder having axes collinear and have the combustion chamber ends of the cylinders facing one another along their axes.