Patent ID: 6575827
Filing Date: 2003-06-10
Classification: F24F

Abstract:
A temporary vent opening cover securable over a vent opening in a surface of a room during building construction to prevent debris from entering the vent opening and accumulating in duct work associated therewith, comprising:a) a cover plate sized and shaped to cover the vent opening, said cover plate having a central portion sized somewhat larger than said vent opening, a peripheral portion surrounding said central portion, an inner face and an outer face; b) a plurality of legs extending outwardly from said inner face of said cover plate along said peripheral portion, said legs adapted to space said inner face outwardly from the surface a first distance when said vent opening cover is secured over the vent opening; c) a plurality of first air passages formed between said legs; and d) a pad of air filter material sized to be somewhat larger than the vent opening, said pad having a first face, a second face, and a thickness approximately equal to or greater than said first distance, said first face of said pad being secured to said inner face of said central portion of said cover plate such that said pad extends across said first air passages and inhibits the passage of debris therethrough.