US PATENT SUBCLASS 411 / 64
.~.~.~ Having section retainer

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.~.~.~ Having section retainer {3}
65  DF  .~.~.~.~> Ring or sleeve type {1}
67  DF  .~.~.~.~> Bight type
68  DF  .~.~.~.~> Tongue and groove

DEFINITION

Classification: 411/64

Having section retainer:

(under subclass 63) Subject matter wherein retainer means is provided for securing the sections together.