US PATENT SUBCLASS 217 / 78
.~.~ Expanding
Current as of: June, 1999
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DEFINITION
Classification: 217/78
(under subclass 76) Closures held in position by expanding part or parts of the head.
SEE OR SEARCH THIS CLASS, SUBCLASS:
108, and 109, for expanding bungs.
SEE OR SEARCH CLASS
215, Bottles and Jars,
358+, for expanding stoppers.
220, Receptacles, 233+, for expansible plugs.