US PATENT SUBCLASS 49 / 471
.~ With drain or vent

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

467  DF  THRESHOLD {3}
471.~ With drain or vent

DEFINITION

Classification: 49/471

(under subclass 467) Device provided with means on the threshold to channel or convey moisture.

SEE OR SEARCH THIS CLASS, SUBCLASS:

476.1, for a closure seal with a fluid drain or a closure face mounted deflector, and see the search notes thereto for the loci of other drains and vents.