US PATENT SUBCLASS 4 / 583
.~.~.~.~.~ In contact with tub bottom

Current as of: June, 1999
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4 /   HD   BATHS, CLOSETS, SINKS, AND SPITTOONS

538  DF  TUBS {9}
559  DF  .~ Convenience accessories {4}
580  DF  .~.~ Protective liner or covering {1}
581  DF  .~.~.~ Mat type {1}
582  DF  .~.~.~.~ With antislip means {1}
583.~.~.~.~.~ In contact with tub bottom

DEFINITION

Classification: 4/583

In contact with tub bottom:

(under subclass 582) Subject matter wherein the mat is used on the lower surface of the tub.