US PATENT SUBCLASS 403 / 319
.~ Blocker is catch or key

Current as of: June, 1999
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403 /   HD   JOINTS AND CONNECTIONS

315  DF  INCLUDING ANCILLARY MEANS BLOCKING DISCONNECTION OF JOINT {3}
319.~ Blocker is catch or key

DEFINITION

Classification: 403/319

(under subclass 315) Structure wherein the hampering means comprises either a catch or a separate piece inserted between and positively engaging each of the members.