US PATENT SUBCLASS 285 / 145.2
.~.~ Pivot or swivel

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

144.1  DF  SERIAL,RELATIVELY MOVABLE PORTIONS {4}
145.1  DF  .~ Having telescoping portion {3}
145.2.~.~ Pivot or swivel

DEFINITION

Classification: 285/145.2

Pivot or swivel:

(under subclass 145.1) Subject matter including a connection which accommodates arcuate or precessional motion of a member.