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Thermochromic fishing lure and method of making same

  • US 6,318,020 B1
  • Filed: 07/26/1999
  • Issued: 11/20/2001
  • Est. Priority Date: 07/26/1999
  • Status: Expired due to Fees
First Claim
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1. A fishing lure comprising:

  • a lure body having an outer body surface colored a body color;

    a first thermochromic layer covering at least a portion of said outer body surface of said lure body, said first thermochromic layer having a first opaque color which blocks out said portion of said outer body surface when exposed to a temperature below a first activation temperature, and which becomes transparent to expose said body color when exposed to a temperature above said first activation temperature;

    a second thermochromic layer covering at least a portion of said first thermochromic layer, said second thermochromic layer having an opaque second color which blocks out said portion of said first thermochromic layer when exposed to a temperature below a second activation temperature, and which becomes transparent to expose said first opaque color when exposed to a temperature above said second activation temperature;

    said first and second activation temperatures being different from one another;

    said first and second thermochromic layers each being comprised of substantially undamaged thermochromic crystals mixed with a clear lacquer whereby said substantially undamaged thermochromic crystals are formed by mixing a thermochromic powder comprising damaged and undamaged thermochromic crystals with oil and water and recovering said undamaged thermochromic crystals from said oil.

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