US PATENT SUBCLASS 411 / 314
.~.~ Resiliently deformable portion

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

190  DF  HAVING STRUCTURE TO RESTRICT ROTATION OF THREADED, MATING PIECES (E.G., NUT LOCK) {13}
313  DF  .~ Washer having a deformable portion engageable with a threaded element {1}
314.~.~ Resiliently deformable portion

DEFINITION

Classification: 411/314

Resiliently deformable portion:

(under subclass 313) Device wherein deformation of the washer is within the elastic limit of the material of said washer.