US PATENT SUBCLASS 292 / 351
.~.~ Guards

Current as of: June, 1999
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292 /   HD   CLOSURE FASTENERS

348  DF  KNOB-ATTACHING DEVICES {6}
350  DF  .~ Screw {1}
351.~.~ Guards

DEFINITION

Classification: 292/351

(under subclass 350) Devices having guards for protecting or securing the attaching devices from accidental displacement.