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3811680
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Information
Patent Grant
3811680
References
Source
Patent Number
3,811,680
Date Filed
Not available
Date Issued
Tuesday, May 21, 1974
50 years ago
CPC
A63F3/06 - Lottos or bingo games Systems, apparatus or devices for checking such games
A63F1/10 - Card holders
A63F2003/00362 - with connections between modules
US Classifications
273 - Amusement devices: games
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