US PATENT SUBCLASS 285 / 31
.~ Inserted section

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

18  DF  WITH ASSEMBLY MEANS OR FEATURE {13}
31.~ Inserted section {1}
32  DF  .~.~> Threaded telescopic

DEFINITION

Classification: 285/31

(under subclass 18) Subject matter wherein means are provided for the lateral insertion of a section between the ends of two fixed pipes to complete the line.