US PATENT SUBCLASS 4 / 512
.~.~.~.~ Including weir

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

488  DF  POOL TYPE {9}
506  DF  .~ Construction details {2}
507  DF  .~.~ Including water inlet or outlet means {3}
510  DF  .~.~.~ Gutter {2}
512.~.~.~.~ Including weir

DEFINITION

Classification: 4/512

Including weir:

(under subclass 510) Subject matter having a movable element for surface skimming the water.