US PATENT SUBCLASS 454 / 160
.~.~.~.~ Having means for combining heated and unheated air

Current as of: June, 1999
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454 /   HD   VENTILATION

69  DF  VEHICLE (E.G., AUTOMOBILE, ETC.) {15}
143  DF  .~ Having inlet airway {7}
156  DF  .~.~ With air treatment means {3}
159  DF  .~.~.~ Heating {2}
160.~.~.~.~ Having means for combining heated and unheated air

DEFINITION

Classification: 454/160

Having means for combining heated and unheated air:

(under subclass 159) Subject matter comprising means for mixing separate warmed and unwarmed air portions together prior to admittance to the ventilated space.

SEE OR SEARCH THIS CLASS, SUBCLASS:

125, for a vehicle window defroster which combines heated and unheated air.