(under subclass 28) Preformed, or selected, element layer structure wherein the stratum is made up primarily of a plurality of uniform cuboid-like members; e.g., bricks, cobble stones, slabs, wooded billets, etc.
SEE OR SEARCH THIS CLASS, SUBCLASS:
18, for combined sheet and preformed module pavement.
34+, for preformed modules, per se, and see search notes thereunder.