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Ventilation filter mechanism

  • US 6,241,603 B1
  • Filed: 02/14/2000
  • Issued: 06/05/2001
  • Est. Priority Date: 02/16/1999
  • Status: Expired due to Fees
First Claim
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1. A filtering system comprising:

  • a frame having at least one opening therethrough and a flange, wherein the flange is adapted to be secured to an air register such that said flange encircles an outlet of said air register, an air filtering material contained within said frame such that when said flange is secured to said air register, air flow from said air register must flow through said air filtering material to enter a room serviced by said air register; and

    a register mechanism securable to an exterior surface of said frame, said register mechanism being manually manipulated by a user to direct a flow of air into said room.

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