US PATENT SUBCLASS 4 / 579
.~.~.~.~.~ Supported by tub, only

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}
571.1  DF  .~.~ Support for user, static {2}
573.1  DF  .~.~.~ Body type {4}
578.1  DF  .~.~.~.~ Seat {1}
579.~.~.~.~.~ Supported by tub, only

DEFINITION

Classification: 4/579

Supported by tub, only:

(under subclass 578.1) Subject matter wherein the seat is held for use by structure of the tub only.