US PATENT SUBCLASS 4 / 424
.~.~.~ Extra trap or false trap

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

300  DF  FLUSH CLOSET {22}
420  DF  .~ Bowl {7}
421  DF  .~.~ Siphon discharge {8}
424.~.~.~ Extra trap or false trap

DEFINITION

Classification: 4/424

Extra trap or false trap:

(under subclass 421) Subject matter wherein the bowl discharges to a liquid-seal trap or to a similar unsealed trap.