US PATENT SUBCLASS 285 / 89
.~ Lock nut or washer

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

81  DF  WITH MEANS BLOCKING RELEASE OF HOLDING MEANS {5}
89.~ Lock nut or washer

DEFINITION

Classification: 285/89

(under subclass 81) Subject matter comprising a lock nut or lock washer.