Patent ID: 8887469

Claim:
A wall block configured to be arranged with other like blocks to form a wall, the block comprising: an upper surface and a lower surface, the lower surface being opposed to the upper surface; a front face and an opposed back face disposed between the upper surface and the lower surface; a first side face and an opposed second side face disposed between the upper surface and the lower surface, wherein both the first side face and the second side face generally extend from the front face to the back face to provide a first location where the first side face meets the back face and a second location where the second side face meets the back face; and one or more features on the block defining a horizontal alignment direction, wherein the front face extends from the first side face to the second side face generally along a direction that is slanted with respect to the horizontal alignment direction; wherein the one or more features comprises a vertical edge disposed on the first side face and a mating corner, the mating corner being disposed where the front face meets the second side face; wherein said horizontal alignment direction is a straight horizontal line extending between the vertical edge and the mating corner; wherein a first front to back distance between the vertical edge and the first location is substantially equal to a second front to back distance between the mating corner and the second location.