US PATENT SUBCLASS 404 / 71
MISCELLANEOUS ROAD STRUCTURE (E.G., HEATED PAVEMENT)


Current as of: June, 1999
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404 /   HD   ROAD STRUCTURE, PROCESS, OR APPARATUS

71MISCELLANEOUS ROAD STRUCTURE (E.G., HEATED PAVEMENT)


DEFINITION

Classification: 404/71

(under the class definition) Subject matter relating to road structure and not provided for in the preceding subclasses.