US PATENT SUBCLASS 403 / 317
.~.~ Blocker keeper

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

315  DF  INCLUDING ANCILLARY MEANS BLOCKING DISCONNECTION OF JOINT {3}
316  DF  .~ Blocker for assembled joint retainer {2}
317.~.~ Blocker keeper

DEFINITION

Classification: 403/317

(under subclass 316) Structure wherein the hampering means is hampered from being disengaged from the retaining means by a distinct means which means is unnecessary to the function of the hampering means.