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Timing system and device and method for making the same

  • US 9,395,699 B2
  • Filed: 10/15/2015
  • Issued: 07/19/2016
  • Est. Priority Date: 11/01/2011
  • Status: Expired due to Fees
First Claim
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1. A timing device comprising:

  • a. a first timing component for indicating a first time period; and

    b. a second timing component for indicating a second time period comprising a time that the timing device has been exposed to a predefined temperature during the first time period,wherein the second timing component is automatically activated upon reaching the predefined temperature during the first time period.

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