Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
October 30, 2018
Patent Application Number
14956187
Date Filed
December 1, 2015
Patent Citations Received
Patent Primary Examiner
Patent abstract
A thermochromic efficiency indicator for indicating efficiency of a temperature affector, and methods of making and using such a thermochromic efficiency indicator, whereby the thermochromic efficiency indicator comprises: a substrate; and a first indicia coupled to the substrate, the first indicia comprising a first thermochromic compound capable of undergoing a first thermochromic compound color change; wherein the first thermochromic compound color change indicates the temperature affector is below a first predetermined efficiency threshold.
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