US PATENT SUBCLASS 454 / 285
.~.~ Sweeping type

Current as of: June, 1999
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454 /   HD   VENTILATION

254  DF  HAVING INLET AIRWAY {11}
284  DF  .~ Including specific air distributor (e.g., register, etc.) {14}
285.~.~ Sweeping type

DEFINITION

Classification: 454/285

Sweeping type:

(under subclass 284) Subject matter comprising means for guiding the air along a regularly changing directional path.

SEE OR SEARCH THIS CLASS, SUBCLASS:

125, for a sweeping-type vehicle window defroster.

153, for a sweeping-type ventilating air distributor in a vehicle.