US PATENT SUBCLASS 217 / 57
.~.~ Hinged
Current as of: June, 1999
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DEFINITION
Classification: 217/57
(under subclass 56) Closures for boxes having hinged connection thereto and mechanism for operating such closures for opening and closing.
SEE OR SEARCH CLASS
4, Baths, Closets, Sinks, and Spittoons,
267+, for similar closures for spittoons.