US PATENT SUBCLASS 285 / FOR 172
.~ With packing filler (285/295)

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

FOR 161  DF  MOLDED JOINT (285/284) {10}
FOR 172.~ With packing filler (285/295) {1}
FOR 173  DF  .~.~> Wedge ring type (285/296)

DEFINITION

Classification: 285/FOR.172

Foreign art collection in which filler material in addition to the molding or caulking material is utilized to save on the amount of molding material used, etc.