US PATENT SUBCLASS 4 / 255.09
.~.~ With head structure that increases velocity or turbulence

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

255.01  DF  OBSTRUCTION REMOVER {3}
255.04  DF  .~ Connected to a source of external fluid under pressure {5}
255.09.~.~ With head structure that increases velocity or turbulence

DEFINITION

Classification: 4/255.09

With head structure that increases velocity or turbulence:

(under subclass 255.04) Subject matter wherein the other end of the conduit has a head designed to boost the rate of change or violence of the flow into the opening to clear the obstruction from the drain pipe of the sink, bath, or flush closet.