Toy with thermochromic material
US5503583A · kind A · utility
45Cited by
32References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 14, 1995 |
| Grant date | Apr 2, 1996 |
| Priority date | — |
| Expiry date | Apr 14, 2015 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63F2250/1031
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A toy painted with paint containing thermochromic material which changes color as the temperature of the toy varies. Selected portions of the toy may be painted with the thermochromic material to provide a variety of patterns, designs, numbers, letters or other indicia which change color in response to temperature variations. In addition, different portions of the toy may be painted with different paints containing different colored thermochromic materials.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.