US RE46,687 E1 · Photo-chromic and phosphorescent toys

Abstract

In one embodiment of the invention, photo-chromic and phosphorescent toys are disclosed. A photo-chromic and phosphorescent toy includes both photo-chromic and phosphorescent materials applied to the toy such as through an ink, paint, plastic, or dye. The photo-chromic and phosphorescent materials may be supplied within a material of the toy or applied-to a surface of the toy at the factory. The photo-chromic and phosphorescent materials may be activated in various ways with various light activating devices that can generate an activating light with appropriate wavelengths.

Claims28

Dependent claims

A photo-chromic and phosphorescent toy comprising:

a substrate having a first side and a second side opposite the first side;
a photo-chromic material applied to the first side of the substrate, the photo-chromic material to transform in color for a first period of time after being activated by an activating light;
and
a phosphorescent material applied to the second side of the substrate, the phosphorescent material to emit light for a second period of time after being activated by the activating light.

1 more element

A photo-chromic and phosphorescent toy comprising:

a substrate having a first side;
a phosphorescent material applied to the first side of the substrate, the phosphorescent material to emit light for a first period of time after being activated by the activating light;
and
a photo-chromic material applied over the phosphorescent material, the photo-chromic material to transform in color for a second period of time after being activated by an activating light.

1 more element

Dependencies are inferred from the claim text.

Facts

Application

15/002,166Filed 20 Jan 2016 · reissue

Priority

23 Nov 2005

Granted

30 Jan 2018

Term ends

Not estimatedThe source records don’t support an estimate.

Classification4 codes

A63H 33/22
Other toys: optical, colour, or shadow toys
B44F 1/10
Characterised by colour effects: changing, amusing, or secret pictures
A63H
Toys
B44F
Special designs or pictures

Photo-chromic and phosphorescent toys

Life of this patent

Photo-chromic and phosphorescent toys

Life of this patent

Abstract

Claims28