US PATENT SUBCLASS 138 / 164
.~ With packing

Current as of: June, 1999
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138 /   HD   PIPES AND TUBULAR CONDUITS

156  DF  LONGITUDINALLY SEAMED {8}
164.~ With packing

DEFINITION

Classification: 138/164

(under subclass 156) Device including packing to prevent leakage.

SEE OR SEARCH CLASS

220, Receptacles,

681, for a container having a longitudinally extending seam with a packing.

277, Seal for a Joint or Juncture, for a generic sealing means or process,

602+, for a static contact seal intended for use on a pipe, conduit, or cable.

285, Pipe Joints or Couplings, 335+, for a pipe coupling with a packing.