Patent ID: 7331148

Claim:
A concrete form comprising: a plurality of cross members; a sheet of rigid material, such as a wood sheet; and a plurality of studs having: (a) a front wall, a rear wall, and a pair of side walls, said walls arranged to form a rectangular cross-section; (b) a pair of inner walls extending between said pair of side walls; and (c) a pair of opposed flanges, each one of said flanges extending substantially perpendicularly from a respective one of said side walls and extending towards the other of said side walls; wherein a portion of said studs is adapted for complementary engagement with said cross members, said cross members connecting at least two of said studs and being attached to at least one of said inner walls and said flanges of said cut portion of said studs, and said sheet of rigid material is mounted to said rear wall; and wherein said cross members include end cross members and center cross members, said center cross members being attached to said inner walls and said end cross members being attached to said flanges.