×

Toy vehicle with thermochromic material

  • US 4,917,643 A
  • Filed: 06/26/1987
  • Issued: 04/17/1990
  • Est. Priority Date: 06/26/1987
  • Status: Expired due to Term
First Claim
Patent Images

1. A toy vehicle comprising a vehicle body having an initial appearance resulting from at least a portion of said vehicle body being coated with thermochromic paint means having an initial color, said thermochromic paint means for changing said initial appearance by changing said initial color in response to temperature variation of said vehicle body, said thermochromic paint means including thermochromic material capable of changing color due to said temperature variation in order to vary said initial appearance of said vehicle body to a substantially different appearance.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×