US PATENT SUBCLASS 4 / 541.2
.~.~ With condition response

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

538  DF  TUBS {9}
541.1  DF  .~ Means for agitating or circulating water in a tub {4}
541.2.~.~ With condition response

DEFINITION

Classification: 4/541.2

With condition response:

(under subclass 541.1) Subject matter wherein the apparatus has means to sense a change in the environment to effect a change in the operation of the apparatus that causes the water within the tub to churn or flow.