US PATENT SUBCLASS 280 / 20
.~ Folding
Current as of: June, 1999
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DEFINITION
Classification: 280/20
(under subclass 845) Sleds which are foldable from their condition of use into a more compact form, as for storage or shipment.
SEE OR SEARCH THIS CLASS, SUBCLASS:
9+, for vehicles having wheels and runners, one or both being retractable.
639+, for folding wheeled vehicles.