US PATENT SUBCLASS 411 / 538
.~.~ Inclined planar face

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}
537  DF  .~ Having leveling means {1}
538.~.~ Inclined planar face

DEFINITION

Classification: 411/538

Inclined planar face:

(under subclass 537) Subject matter wherein the compensating means on the element defines a flat, angled surface which is adapted to mate with an equally angled and oppositely extending surface on a part in an assembly in which the element is used.