US PATENT SUBCLASS 285 / 211
.~ Countersunk packed

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

189  DF  END TO SIDE OR PLATE (E.G., REINFORCEMENT) {11}
211.~ Countersunk packed {1}
212  DF  .~.~> Screw-compressed

DEFINITION

Classification: 285/211

(under subclass 189) Subject matter in which the wall to which the pipe end is to be attached has a counter bore containing packing material.

SEE OR SEARCH THIS CLASS, SUBCLASS:

231+, for a flexible joint between rigid members comprising a

socketed packing.