US PATENT SUBCLASS 217 / 108
.~.~.~ Expanding
Current as of: June, 1999
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DEFINITION
Classification: 217/108
(under subclass 106) Locking-bungs in which parts expand into frictional or interlocking engagement with the walls of the hole.
SEE OR SEARCH THIS CLASS, SUBCLASS:
78, for expanding barrel closures, and see the notes thereunder.