US PATENT SUBCLASS 285 / FOR 103
.~.~.~ With hollow center bolt (285/123)

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

FOR 100  DF  SYSTEMS (285/120) {11}
FOR 101  DF  .~ With access opening (285/121) {3}
FOR 102  DF  .~.~ Swivel (285/122) {1}
FOR 103.~.~.~ With hollow center bolt (285/123)

DEFINITION

Classification: 285/FOR.103

Foreign art collection wherein the swivel includes a hollow bolt extending along the axis of swiveling.