Reversibly metachromatic toy

Details Reversibly metachromatic toy Reversibly metachromatic toy

2007-03-13

2007-03-13

Miller, Bena (Department: 3725)

Amusement devices: toys

Operated by intrinsic temperature change

C428S304400, C434S393000

Reexamination Certificate

active

10790773

ABSTRACT:
A reversibly metachromatic toy having a platelike resin foamed substrate, a resin layer provided on both the outer side surfaces of the foamed substrate, and a reversibly metachromatic layer provided on at least one-side resin layer partly or all over the surface.

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