US PATENT SUBCLASS 454 / 304
.~.~.~.~.~ Pivoted

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}
292  DF  .~.~ Ceiling type {4}
301  DF  .~.~.~ Including elongated output slot {2}
303  DF  .~.~.~.~ Having portion or element movable during normal use {1}
304.~.~.~.~.~ Pivoted

DEFINITION

Classification: 454/304

Pivoted:

(under subclass 303) Subject matter wherein the part or component capable of motion swings about a fixed axis region which is parallel to or within a major surface area of the part or component.