US PATENT SUBCLASS 411 / 535
.~ Including adjustable thickness means

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

531  DF  WASHER STRUCTURE {11}
535.~ Including adjustable thickness means {1}
536  DF  .~.~> Wear or lost motion compensating means

DEFINITION

Classification: 411/535

Including adjustable thickness means:

(under subclass 531) Subject matter wherein means are provided for altering the axial dimension of the element.