US PATENT SUBCLASS 411 / 65
.~.~.~.~ Ring or sleeve type

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

15  DF  HAVING SEPARATE EXPANDER MEANS {13}
44  DF  .~ Including sleeve and distinct tapered expander (e.g., anchor bolt type) {9}
63  DF  .~.~ Plural-sectioned sleeve {1}
64  DF  .~.~.~ Having section retainer {3}
65.~.~.~.~ Ring or sleeve type {1}
66  DF  .~.~.~.~.~> Destructible

DEFINITION

Classification: 411/65

Ring or sleeve type:

(under subclass 64) Subject matter wherein the retainer means is in the form of a ring or sleeve which extends circumferentially of the sections.