US PATENT SUBCLASS 4 / 252.5
.~.~ Having a seal

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

252.1  DF  FLUSH CLOSET BOWL SUPPORT, COUPLING, SEAL OR FASTENER {3}
252.4  DF  .~ Flange with aperture for fastener {1}
252.5.~.~ Having a seal

DEFINITION

Classification: 4/252.5

Having a seal:

(under subclass 252.4) Subject matter wherein the coupling having a flange has a gasket between the closet bowl discharge or waste pipe to prevent fluid from escaping from the waste pipe or the closet bowl.