US PATENT SUBCLASS 4 / 351
.~.~.~.~ Trap or siphon

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

300  DF  FLUSH CLOSET {22}
347  DF  .~ Ventilated, i.e., noxious fume removal {1}
348  DF  .~.~ Bowl {3}
350  DF  .~.~.~ Unitary with discharge from bowl {1}
351.~.~.~.~ Trap or siphon

DEFINITION

Classification: 4/351

Trap or siphon:

(under subclass 350) Subject matter wherein the gas removing means is directly connected to a trap or siphon.