US PATENT SUBCLASS 411 / 339
.~.~ Interference fit type

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}
338  DF  .~ Lap bolt or fastener {1}
339.~.~ Interference fit type

DEFINITION

Classification: 411/339

Interference fit type:

(under subclass 338) Subject matter where the fastening means and securing means are secured by the close tolerance fit between their mating surfaces.