Patent ID: 7390146
Filing Date: 2008-06-24
Classification: E02D

Abstract:
1. A modular wall block system, comprising: a plurality of wall blocks comprising first wall blocks of a first shape, second wall blocks of a second shape, and third wall blocks of a third shape; and at least one continuous passageway running from a top of a wall to a bottom of the wall formed from the plurality of wall blocks, wherein the wall blocks are configured such that the at least one continuous passageway is formed when a plurality of blocks are laid side by side in a tier and stacked one atop of another to form an additional tier, wherein a lateral alignment slot extends inwardly into a top surface of a first wall block and a second wall block, the lateral alignment slot crossing from one side of a block to the other, and an interior slot extends through a third wall block horizontally from one side of the third wall block to the other side such that the interior slot aligns with the lateral alignment slot of the first wall block or the second wall block when the blocks are positioned adjacent to one another within a modular retaining wall.