US PATENT SUBCLASS 404 / 36
.~.~.~ Foraminous traffic surface

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

17  DF  PAVEMENT {9}
34  DF  .~ Modules or blocks (preformed) {9}
35  DF  .~.~ Portable mat type {1}
36.~.~.~ Foraminous traffic surface

DEFINITION

Classification: 404/36

(under subclass 35) Portable mat structure of open lattice-like configuration.

SEE OR SEARCH CLASS

52, Static Structures (e.g., Buildings),

633+, for openwork, trellis, grille or screen construction of general utility and see search notes thereunder for other loci of similar structure.