US PATENT SUBCLASS 404 / 49
.~.~ With internal cavity for deformable filler

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

17  DF  PAVEMENT {9}
47  DF  .~ Including joint means {10}
49.~.~ With internal cavity for deformable filler

DEFINITION

Classification: 404/49

(under subclass 47) Joint structure provided with some open space within the joint itself, or within the ends of the ends of adjacent pavement portions, so that joint material may flow into such space when the joint is subjected to compressive forces.