US PATENT SUBCLASS 404 / 78
.~.~ Raising sunken pavement

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

72  DF  PROCESS {6}
75  DF  .~ In situ treatment of earth or roadway {3}
78.~.~ Raising sunken pavement

DEFINITION

Classification: 404/78

(under subclass 75) Process including a step of elevating or a depressed portion of a roadway.