US PATENT SUBCLASS 454 / 334
.~.~ Axially movable or sliding

Current as of: June, 1999
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454 /   HD   VENTILATION

254  DF  HAVING INLET AIRWAY {11}
333  DF  .~ With adjustable valve (e.g., damper, etc.) {2}
334.~.~ Axially movable or sliding

DEFINITION

Classification: 454/334

Axially movable or sliding:

(under subclass 333) wherein the air regulating means (1) relocates along a path parallel to the direction of the air immediately prior to its contact with the means or (2) contains a portion which translates along another portion of the means.

SEE OR SEARCH THIS CLASS, SUBCLASS:

274, for an independent vent sleeve in a ceiling, wall, or floor which contains an adjustable, axially movable or sliding valve.

323, for an air distributor with an axially movable, adjustable valve.

324, for an air distributor with a sliding, adjustable valve.