Patent ID: 7866097

Claim:
A concrete form system which provides an integral venting system for removing unwanted gases from the foundation footing of a building, said system comprising: a pair of conduit retainers for forming the footing of the building, said pair of conduit retainers being spaced apart to receive concrete there between, said concrete forming the footing of the foundation of the building, each of said conduit retainers being formed of a plurality of conduit sections, each conduit having opposed male and female ends joining adjacent conduit sections, each conduit section having a corrugated tubular wall with inner and outer surfaces, said outer surface of said corrugated tubular wall defining a periphery thereof, said inner surface defining a hollow cavity therein, said corrugated tubular wall having a plurality of recessed sections positioned between raised sections; at least one spreader bar rigidly connecting said pair of conduit retainers and holding apart said pair of conduit retainers when concrete is placed there between, each of said at least one spreader bar having a linear center section and two opposed u-shaped end sections, each of said u-shaped end sections receiving the recessed section of a respective one of said pair of conduit retainers, the center section of each of said at least one spreader bar being positioned below a top surface of its respective recessed sections; at least one strap extending around said pair of conduit retainers holding said pair of conduit retainers in position when concrete is placed there between; and at least one air vent disposed in a top surface of each of said pair of conduit retainers to permit air to be vented from each hollow cavity to the atmosphere.