Patent ID: 8123435

Claim:
A revetment block, comprising: said block having a body with a thickness defined by a distance between a top surface and a bottom surface of the body of said block, and said block having a plurality of side edges; at least two arms, each arm extending from a respective side edge of the body of said block; each said arm having an enlarged end connected to a respective side edge by a narrowed neck portion; at least two sockets formed inwardly from respective side edges of the body of said block; each said socket having an enlarged cavity connected by a narrowed inlet to the respective side edge of the body of said block, each said socket adapted for receiving therein an arm of a similarly constructed neighbor block; and a plurality of holes formed through the body of said block, wherein said holes are each tapered to flare out from the top surface of said block to the bottom surface of said block, a diameter of a bottom opening of each said hole in the bottom surface of said block is the same, and a diameter of a top opening of each said hole in the top surface of said block are not all the same.