US PATENT SUBCLASS 180 / 68.2
.~.~ With further means to utilize power plant cooling air for other purposes


Current as of: June, 1999
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180 /   HD   MOTOR VEHICLES

54.1  DF  POWER {19}
68.1  DF  .~ With means to guide and/or control air for power plant cooling {1}
68.2.~.~ With further means to utilize power plant cooling air for other purposes


DEFINITION

Classification: 180/68.2

With further means to utilize power plant cooling air for

other purposes:

(under subclass 68.1) Power plant cooling apparatus wherein the air that is used to cool the power plant is used to heat or cool the vehicle by either passing through the vehicle before cooling the engine or by passing into the vehicle after cooling the engine or for other purposes.

SEE OR SEARCH CLASS

237, Heating Systems,

12.3, for heating devices wherein the vehicle is claimed only nominally.