Patent ID: 6430886
Filing Date: 2002-08-13
Classification: E04B

Abstract:
A building block for construction of a masonry structure, comprising:a first stone member having a first shape, said first stone member having a first wide cuboid section, said first wide cuboid section having a first side surface extending substantially perpendicular to a surface of the masonry structure and lying in a substantially vertical first plane, said first wide section having a first opposite side surface extending substantially perpendicular to a surface of the masonry structure and lying in a substantially vertical second plane, said first stone member having a first narrow cuboid section, said first stone member having a first intermediate section disposed between and integral with said first wide cuboid section and said first narrow cuboid section, said first intermediate section having a first trapezoidal cross section with slanting opposite side surfaces, said first stone member having a first height; and a second stone member firmly connected to said first stone member, said second stone member having a second shape which is substantially identical to said first shape of said first stone member, said second stone member having a second narrow cuboid section which seats on said first wide cuboid section of said first stone member, said second stone member having a second wide cuboid section which seats on said first narrow cuboid section of said first stone member, said second stone member having a second height substantially equal to said first height.