US PATENT SUBCLASS 4 / 440
.~.~.~.~.~ Pan type

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}
434  DF  .~.~ Valved dischage {2}
435  DF  .~.~.~ With flush supply actuated by valved discharge {3}
438  DF  .~.~.~.~ Pivoted valve {2}
440.~.~.~.~.~ Pan type

DEFINITION

Classification: 4/440

Pan type:

(under subclass 438) Subject matter wherein the valve has a bowl or hollow shape.

SEE OR SEARCH THIS CLASS, SUBCLASS:

442, for discharge pan type valve.