US PATENT SUBCLASS 4 / 421
.~.~ Siphon discharge

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.~.~ Siphon discharge {8}
422  DF  .~.~.~> With flush valve {1}
424  DF  .~.~.~> Extra trap or false trap
425  DF  .~.~.~> Siphonic jet at trap
426  DF  .~.~.~> With check valve
427  DF  .~.~.~> Overflow inhibitor
428  DF  .~.~.~> Configurated outlet
429  DF  .~.~.~> Pan bowl
430  DF  .~.~.~> Distinct from bowl

DEFINITION

Classification: 4/421

Siphon discharge:

(under subclass 420) Subject matter wherein the bowl is provided with a siphon discharge either as an integral part of the bowl or specially adapted to connect with a waste pipe to complete the siphon.

SEE OR SEARCH THIS CLASS, SUBCLASS:

328, for a low profile type tank and bowl which includes a siphon discharge.

336, for a siphon bowl and a pressure tank.

344, for a siphon bowl and an overhead tank.