Patent ID: 8757922
Filing Date: 2014-06-24
Classification: B28B,E01C,E04B

Abstract:
1. A concrete casted paving stone having opposed top and bottom surfaces and two pairs of opposed parallel side walls, a first of said pairs of side walls having a stone-engaging projection of predetermined shape formed in one of said side walls and spaced between said top and bottom surfaces and the other of said side walls having a slot shaped to receive therein at least a forward end portion of said stone-engaging projection of an adjacent one of said paving stones for interengagement therewith, a second of said pairs of opposed parallel side walls each having an elongated horizontal slot and a further stone-engaging projection horizontally aligned with said elongated horizontal slot wherein to engage with a further adjacent one of said paving stones with at least a forward end portion of said further stone engaging projection engaged in said elongated slot of said further adjacent one of said paving stone whereby a plurality of said paving stones can be interengaged to form a paved surface, said second of said pairs of opposed parallel side walls having like surfaces.