3804411 is referenced by 66 patents and cites 8 patents.

This invention pertains to an educational toy called a comet ball which may be utilized in many games involving both skill and chance. The comet ball comprises a plastic ball having a source of interior illumination and having designed on its surface small areas through which light shines brightly. These areas are designed in patterns representing constellations of celestial bodies. The remaining surface of the comet ball may be of different colors of plastic having some light permeability. Games utilizing the comet ball may be based upon the astronomical models incorporated in the ball or the illuminated colors of a set of comet balls. The ball is formed of two hemisphere secured together. A hollow cylindrical tube is attached internally to each of the sphere. The tubes are threaded and can be screwed together to tightly secure the hemispheres. Inside the tube is placed a battery which supplies power to light a bulb also located interiorly of the sphere.

Title
Ball having internal lighting system
Application Number
05/329,732
Publication Number
3804411
Application Date
February 5, 1973
Publication Date
April 16, 1974
Inventor
Hendry Robert S
Agent
Cannon James J
Cannon Jr James J
IPC
A63b 71/02
A63B 43/06
A63B 43/00
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