US PATENT SUBCLASS 4 / 404
.~.~.~.~.~ Open at bottom

Current as of: June, 1999
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Internet Version by PATENTEC © 1999      Terms of Use


4 /   HD   BATHS, CLOSETS, SINKS, AND SPITTOONS

300  DF  FLUSH CLOSET {22}
353  DF  .~ Tank only {9}
378  DF  .~.~ With outlet valve {6}
395  DF  .~.~.~ Float type {4}
403  DF  .~.~.~.~ Hollow {1}
404.~.~.~.~.~ Open at bottom

DEFINITION

Classification: 4/404

Open at bottom:

(under subclass 403) Subject matter wherein the valve body has an area on the bottom where air or liquid can enter the cavity.