US PATENT SUBCLASS 49 / 468
.~ Adjustable

Current as of: June, 1999
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49 /   HD   MOVABLE OR REMOVABLE CLOSURES

467  DF  THRESHOLD {3}
468.~ Adjustable

DEFINITION

Classification: 49/468

(under subclass 467) Device provided with means to alter the relative position of the threshold components or the threshold to a floor.

SEE OR SEARCH THIS CLASS, SUBCLASS:

505, for an adjustable frame.