3610916 is referenced by 47 patents and cites 4 patents.

Within the translucent housing of a ball, there is an inertia switch which is connected to a lighting unit. The lighting unit includes a lamp and a battery which can be connected to form a series circuit by a time delay switch. Whenever the normally open inertia switch activates the time delay switch it closes the series circuit for a given period of time.

Illuminable ball with a time delay device
Application Number
Publication Number
Application Date
May 5, 1970
Publication Date
October 5, 1971
Meehan Frank P
A63b 43/06
F21v 33/00
A63B 43/06
A63B 43/00
F21V 23/04
F21S 08/00
F21V 33/00
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