US PATENT SUBCLASS 285 / 272.1
.~ With access opening

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

272  DF  SWIVEL {5}
272.1.~ With access opening

DEFINITION

Classification: 285/272.1

With access opening:

(under subclass 272) Subject matter including an opening with a closure or having one or more separable parts which permit access to the interior thereof without disassembly of the joint.