US PATENT SUBCLASS 411 / 355
.~.~ And apertured bolt


Current as of: June, 1999
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411 /   HD   EXPANDED, THREADED, DRIVEN, HEADED, TOOL-DEFORMED, OR LOCKED-THREADED FASTENER

337  DF  HEADED FASTENER ELEMENT WITH NUT, WASHER, SECURING MEANS OR CAP {12}
354  DF  .~ Wedge-securing means {1}
355.~.~ And apertured bolt


DEFINITION

Classification: 411/355

And apertured bolt:

(under subclass 354) Subject matter wherein the fastening means is provided with a transverse slot designed to receive the wedge-type securing means.