US PATENT SUBCLASS 285 / 289.2
.~.~ Having additional holding means

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

285.1  DF  MOLDED JOINT {11}
289.1  DF  .~ Solder {3}
289.2.~.~ Having additional holding means {1}
289.3  DF  .~.~.~> Interlocked

DEFINITION

Classification: 285/289.2

Having additional holding means:

(under subclass 289.1) Subject matter including another type of holding means such as a clamp, bolt, etc. in order to strengthen the joint.