US PATENT SUBCLASS 4 / 362
.~.~.~ By air under pressure

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

300  DF  FLUSH CLOSET {22}
353  DF  .~ Tank only {9}
354  DF  .~.~ Pressure tank {6}
362.~.~.~ By air under pressure

DEFINITION

Classification: 4/362

By air under pressure:

(under subclass 354) Subject matter wherein a gaseous medium is used to aid in expelling the liquid from the tank.