Patent ID: 8601758

Claim:
An interlocking construction block, comprising: a first sidewall, comprising: a first lower portion; and a first upper portion integrally connected to the first lower portion, the first upper portion comprising: a first plurality of walls; and a first outer side surface integrally connected to the first plurality of walls, the first plurality of walls tapering inwardly from the first lower portion to the first outer side surface; a second sidewall integrally connected to the first sidewall by at least one upper end wall and at least one side end wall, where the at least one upper end wall and the at least one side end wall have a tongue and groove configuration; a first reinforcement bar and a second reinforcement bar embedded within the first and second sidewalls; a first threaded member extending from and protruding through a first corner of the first sidewall to a first corner of the second sidewall; a second threaded member extending from and protruding through a second corner of the first sidewall to a second corner of the second sidewall; a third threaded member extending from and protruding through a third corner of the first sidewall to a third corner of the second sidewall; and a fourth threaded member extending from and protruding through a fourth corner of the first sidewall to a fourth corner of the second sidewall; and wherein the first reinforcement bar is integrally connected to and extends between the first threaded member and the third threaded member; and wherein the second reinforcement bar is integrally connected to and extends between the second threaded member and the fourth threaded member and across the first reinforcement bar.