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Filter for a portable industrial air filtration device

  • US 9,517,428 B2
  • Filed: 09/12/2014
  • Issued: 12/13/2016
  • Est. Priority Date: 09/12/2014
  • Status: Expired due to Fees
First Claim
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1. A filter comprising:

  • a body including filter media and a rigidized material, wherein an upper portion of the rigidized material is disposed between a first portion of the filter media and a second portion of the filter media, wherein the first portion of the filter media, the upper portion of the rigidized material, and the second portion of the filter media are attached via stitching, the body having opposing upper and lower edges and opposing interior and exterior surfaces; and

    a limit switch actuator attached to the interior surface of the body and extending below the lower edge of the body.

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