US PATENT SUBCLASS 285 / FOR 149
.~.~.~ With sphere intermediate two sockets (285/167)

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

FOR 100  DF  SYSTEMS (285/120) {11}
FOR 145  DF  .~ Serial relatively movable joints (285/163) {3}
FOR 148  DF  .~.~ Plural ball and socket (285/166) {1}
FOR 149.~.~.~ With sphere intermediate two sockets (285/167)

DEFINITION

Classification: 285/FOR.149

Foreign art collection comprising two articulated opposed concave spherical sockets coacting with convex ends on an intermediate member having the general form of a sphere.