US PATENT SUBCLASS 411 / 506
.~.~.~ Bolt head and end flowable


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

500  DF  HEADED FASTENER ELEMENT {2}
501  DF  .~ Having plastically flowable or deflectable end, e.g., rivet, etc. {2}
504  DF  .~.~ Solid end type {2}
506.~.~.~ Bolt head and end flowable {1}
507  DF  .~.~.~.~> Domed head


DEFINITION

Classification: 411/506

Both head and end flowable:

(under subclass 504) Subject matter wherein both the head and the opposing end are plastically flowable.