US PATENT SUBCLASS 123 / 41.42
.~ Liquid coolants other than water and water treatment

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

41.01  DF  COOLING {27}
41.42.~ Liquid coolants other than water and water treatment

DEFINITION

Classification: 123/41.42

(under subclass 41.01) Cooling systems employing liquid coolants other than water or water which has been treated to prevent freezing, corroding, etc.

SEE OR SEARCH THIS CLASS, SUBCLASS:

41.16, for nonaqueous coolants sealed in cylinder valves or pistons.

41.19, for nonaqueous coolants which are vaporized and condensed in a refrigerating cycle.

142.5, for systems in which water is heated by external energy.

SEE OR SEARCH CLASS 252, Compositions,

71+, for heat exchange compositions having low freezing point or high boiling point, and 387+, for anti-corrosion agents.