US PATENT SUBCLASS 454 / 314
.~.~.~.~ Aligned mutiple, movable sets of vanes


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}
309  DF  .~.~ Louvered air distributor {3}
313  DF  .~.~.~ Moveable {5}
314.~.~.~.~ Aligned mutiple, movable sets of vanes {1}
315  DF  .~.~.~.~.~> Serially arranged sets


DEFINITION

Classification: 454/314

Aligned multiple, movable sets of vanes:

(under subclass 313) Subject matter wherein at least two groups of relocatable slats or slat portions direct the air along the same general pathway.