US PATENT SUBCLASS 454 / 126
.~.~ 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}
121  DF  .~ Condensation preventer (e.g., defroster, etc.) {6}
126.~.~ Having means for combining heated and unheated air

DEFINITION

Classification: 454/126

Having means for combining heated and unheated air:

(under subclass 121) Subject matter comprising means for mixing separate warmed and unwarmed air portions together prior to admittance of the portions to the ventilated space.

SEE OR SEARCH THIS CLASS, SUBCLASS:

160, for a vehicle heating system which combines heated and unheated air.

SEE OR SEARCH CLASS

237, Heating Systems, appropriate subclasses for a means for ventilating a space in combination with specific heating structure.