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Self-contained, portable room air treatment apparatus and method therefore

  • US 5,240,478 A
  • Filed: 06/26/1992
  • Issued: 08/31/1993
  • Est. Priority Date: 06/26/1992
  • Status: Expired due to Term
First Claim
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1. A method for the treatment of contaminated air using a self-contained room air treatment apparatus, said method comprising drawing contaminated air flow at a first elevation from the surrounding environment into a first housing within said apparatus, filtering contaminating matter from said contaminated air flow by drawing contaminated air flow through an air filter assembly containing an air filter to provide clean filtered air, discharging said clean filtered air from a second housing within said apparatus into said surrounding environment at a second elevation below said first elevation, said air filter assembly being releasably secured to aid first and second housings, and periodically replacing said air filter assembly containing said air filter as an integral unit by another one of said air filter assembly upon detaching from said first and second housings.

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