Patent ID: 9133619
Filing Date: 2015-09-15
Classification: E04B,E04C

Abstract:
1. An architectural building block comprising: (a) a front terminal wall having a top edge and a bottom edge; (b) a rear terminal wall having a top edge and a bottom edge, said rear terminal wall is disposed substantially parallel to said front terminal wall, wherein both said front terminal wall and said rear terminal wall define the longitudinal ends of said architectural building block, the width of said top edge of said front terminal wall is less than the width of said top edge of said rear terminal wall and the width of said bottom edge of said front terminal wall is less than the width of said bottom edge of said rear terminal wall; (c) a pair of side walls adjoining said front terminal wall and said rear terminal wall, wherein said pair of side walls lean toward one another and said pair of side walls converge from said rear terminal wall to said front terminal wall; and (d) a top wall and a bottom wall, wherein said bottom wall is disposed substantially parallel to said top wall, and each of said top wall and bottom wall adjoins said front terminal wall, said rear terminal wall and said pair of side walls, wherein at least one said side wall is configured to be positionable so as to mate with a side wall of an adjacently disposed block, whereby curved structures may be constructed from a plurality of such blocks.