US PATENT SUBCLASS 4 / 328
.~ Tank and bowl with plural connections, one being pneumatic

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

300  DF  FLUSH CLOSET {22}
328.~ Tank and bowl with plural connections, one being pneumatic

DEFINITION

Classification: 4/328

Tank and bowl with plural connections, one being pneumatic:

(under subclass 300) Subject matter wherein there is more than one pipe between the tank and bowl, one being for gas or air.

SEE OR SEARCH THIS CLASS, SUBCLASS:

368+, for a tank with an outlet siphon which includes an air release pipe.