US PATENT SUBCLASS 285 / 288.6
.~.~.~ Interlocked

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

285.1  DF  MOLDED JOINT {11}
288.1  DF  .~ Weld {8}
288.5  DF  .~.~ Having additional holding means {1}
288.6.~.~.~ Interlocked

DEFINITION

Classification: 285/288.6

Interlocked:

(under subclass 288.5) Subject matter including connecting means such as hooking, dovetailing, meshing, etc.