US PATENT SUBCLASS 285 / 146.1
.~ Linked ball and socket portions

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

144.1  DF  SERIAL,RELATIVELY MOVABLE PORTIONS {4}
146.1.~ Linked ball and socket portions {2}
146.2  DF  .~.~> Having multiplex socket
146.3  DF  .~.~> Having ball between opposed sockets

DEFINITION

Classification: 285/146.1

Linked ball and socket portions:

(under subclass 144.1) Subject matter wherein a set of members are joined by at least partially spheroidal sections fitted to mating depressions, thereby forming a flexible unit.