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US 6,641,280 B2Granted
Hand-holdable toy light tube
Assignee3M Innovative Properties Company
InventorsGary B. Hanson, Michael F. Weber, Andrew J. Ouderkirk
Life of this patent
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Abstract
Hand-holdable toy light tube comprising a handle, a light source and a tube of color shifting film. The light source is preferably disposed within an end of the handle. The tube of color shifting film extends from the end of the handle. During use, light from the light source interacts with the tube of color shifting film, producing a brilliant colored effect. Movement of the handle and thus of the tube of color shifting film produces multiple colors.
Claims25
A toy light tube comprising:
- a handle including an end;
- a tube of color shifting film extending from said end;
- and
- a light source connected to said handle,
- wherein when activated, said light source interacts with at least a portion of said tube of color shifting film producing an optical effect visible to at least one of a user or observer, wherein said light source is configured to emit visible light, and wherein at least a portion of said tube of color shifting film is configured such that if maintained in a stationary position and viewed from a first location, said portion of said tube of film exhibits a first color, and when viewed from a second location and maintained in a stationary position, said portion of said tube of film exhibits a second color different from said first color.
2 more elements
Dependencies are inferred from the claim text.