US PATENT SUBCLASS 220 / 7
.~.~ Fastening members
Current as of: June, 1999
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DEFINITION
Classification: 220/7
(under subclass 6) Devices comprising fastening means for folding structures which hold the structure in its set-up position.
SEE OR SEARCH THIS CLASS, SUBCLASS:
4.01+, for those structures where the fastening device is an integral part thereof.
SEE OR SEARCH CLASS
217, Wooden Receptacles, the subclasses indented under "Boxes, Crates, Knockdown, Folding" and those indented under "Boxes, Knockdown, Folding", for knockdown and folding wooden receptacles.