Patent ID: 8887406

Claim:
A footer square apparatus for squaring a building foundation comprising: a footer square body; a first guide line having a proximal end and a distal end, said first guide line disposed on the footer square body and having a length that is substantially straight; a second guide line having a proximal end and a distal end, said second guide line disposed on the footer square body and having a length that is substantially straight; and a post receiving opening disposed through the footer square body that can receive a post; a first string receiving opening disposed through the footer square body, said first string receiving opening positioned at the proximal end of said first guide line, and on said first guide line; a second string receiving opening disposed through the footer square body, said second string receiving opening positioned at the proximal end of said second guide line, and on said second guide line; and wherein: the length of the first guide line is substantially perpendicular to the length of the second guide line; and the post receiving opening is located at the intersection of the first guide line and the second guide line.