US PATENT SUBCLASS 454 / 202
.~.~.~ Having readily moveable flow control means

Current as of: June, 1999
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454 /   HD   VENTILATION

196  DF  MEANS COMBINED WITH WINDOW {12}
200  DF  .~ With air pump {5}
201  DF  .~.~ Cooling air conditioner {3}
202.~.~.~ Having readily moveable flow control means

DEFINITION

Classification: 454/202

Having readily moveable flow control means:

(under subclass 201) Subject matter comprising easily shiftable means for altering a direction or rate of flow of the air.