Patent ID: 7096636
Filing Date: 2006-08-29
Classification: E04B

Abstract:
1. A modular building system comprising: at least one block having a pair of generally flat first and second walls; a pair of end portions located at longitudinal ends of said first and second walls and extending between said first and second walls; a generally planar upper portion extending between upper edges of said first and second walls; a generally planar lower portion extending between lower edges of said first and second walls; a protruding portion extending upwardly from said upper portion, said protruding portion comprising a section of a cylinder and including an engagement portion for engaging an engagement portion of a cooperating retainer member; wherein said protruding portion is located adjacent one of said end portions and including a second protruding portion located adjacent the other of said end portions, said second protruding portion comprising a section of a cylinder and each of said protruding portions including an engagement portion comprising a thread portion for engaging an engagement portion comprising a thread of a cooperating retainer member.