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3747926
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Patent Grant
3747926
References
Source
Patent Number
3,747,926
Date Filed
Not available
Date Issued
Tuesday, July 24, 1973
51 years ago
CPC
A63F3/00094 - Ticktacktoe
G09B19/0023 - Colour matching, recognition, analysis, mixture or the like
A63F2009/0608 - Mixing colours
US Classifications
273 - Amusement devices: games
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