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Noise maker for air filter

  • US 5,352,255 A
  • Filed: 04/05/1993
  • Issued: 10/04/1994
  • Est. Priority Date: 04/05/1993
  • Status: Expired due to Fees
First Claim
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1. A noise maker comprising:

  • a housing having a hole formed on at least one surface of said housing; and

    a member in resilient relationship over said hole, said member movable from a first position closing said hole to a second position for allowing a desired volume of air to flow through said hole so as to produce an audible sound, said housing having said hole formed in a first surface of said housing, said housing having an opening formed on a second surface of said housing, said member interposed between said first surface and said second surface, said housing having a rectangular chamber extending between said first surface and said second surface, said member positioned within said chamber.

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