US PATENT SUBCLASS 4 / 471
.~ Valved bowl

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

449  DF  DRY CLOSETS {14}
471.~ Valved bowl {2}
472  DF  .~.~> Ventilated
473  DF  .~.~> Seat, lid or covering operated

DEFINITION

Classification: 4/471

Valved bowl:

(under subclass 449) Subject matter wherein there is a movable element stopping means which, when open, allows the bowel material to pass through.

SEE OR SEARCH THIS CLASS, SUBCLASS:

466, for a valved bowl with a magazine.