US PATENT SUBCLASS 285 / 20
.~.~ Penetrating

Current as of: June, 1999
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285 /   HD   PIPE JOINTS OR COUPLINGS

18  DF  WITH ASSEMBLY MEANS OR FEATURE {13}
19  DF  .~ Spaced plates {1}
20.~.~ Penetrating

DEFINITION

Classification: 285/20

(under subclass 19) Subject matter wherein the tubular member extends entirely through at least one of the plates with

addition joint means on its free end (e.g., waste pipe and overflow connections).