Amusement devices: toys – Operated by intrinsic temperature change
Patent
1995-04-14
1996-04-02
Rimell, Sam
Amusement devices: toys
Operated by intrinsic temperature change
446337, 446390, 446391, A63H 3300, A63H 336
Patent
active
055035833
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.
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"Hello Color" Toys, Playthings Magazine, Feb. 1985, p. 329.
Barad Jill E.
Hippely Keith
Papavasiliou Prodromos
Wood Larry R.
Mattel Inc.
Muir D. Neal
Rimell Sam
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