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HVAC AIR FILTER CHECK REMINDER REFRIGERATOR MAGNET

  • US 20150356857A1
  • Filed: 06/10/2014
  • Published: 12/10/2015
  • Est. Priority Date: 11/11/2011
  • Status: Abandoned Application
First Claim
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1. A heating, ventilating, and air conditioning reminder comprising,a housing having an alerting device, at least one start button, and a timing circuit;

  • wherein the housing is affixed directly to a surface;

    wherein the start button controls the timing circuit, andwherein the timing circuit controls the alerting device.

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