US PATENT SUBCLASS 285 / 281
.~.~.~.~ Packed

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

272  DF  SWIVEL {5}
275  DF  .~ Pipe in socket type {2}
278  DF  .~.~ With flange in socket {2}
280  DF  .~.~.~ Flange locked axially {1}
281.~.~.~.~ Packed

DEFINITION

Classification: 285/281

(under subclass 280) Devices which include packing material.