US PATENT SUBCLASS 285 / 91
.~ Key or pin

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}
91.~ Key or pin

DEFINITION

Classification: 285/91

(under subclass 81) Subject matter comprising a key way and key or pin; a cotter pin is included.

SEE OR SEARCH THIS CLASS, SUBCLASS:

403+, for a socket joint including a separable fastener.