US PATENT SUBCLASS 123 / 41.32
.~.~ With spark plug heat exchange

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

41.01  DF  COOLING {27}
41.31  DF  .~ With cooling of additional parts or materials {2}
41.32.~.~ With spark plug heat exchange

DEFINITION

Classification: 123/41.32

(under subclass 41.31) Cooling systems in which the additional part that is cooled is a spark plug.

SEE OR SEARCH THIS CLASS, SUBCLASS:

169, for spark plug cooling, per se.