US PATENT SUBCLASS 285 / FOR 173
.~.~ Wedge ring type (285/296)

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  DF  .~ With packing filler (285/295) {1}
FOR 173.~.~ Wedge ring type (285/296)

DEFINITION

Classification: 285/FOR.173

Foreign art collection in which filler is in the form of rings having wedging surfaces.