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3091458
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Information
Patent Grant
3091458
References
Source
Patent Number
3,091,458
Date Filed
Not available
Date Issued
Tuesday, May 28, 1963
61 years ago
CPC
A63D5/04 - Indicating devices
A63D2005/044 - for indicating if a bowling ball touches the border of the alley
US Classifications
473 - Games using tangible projectile
200 - Electricity: circuit makers and breakers
273 - Amusement devices: games
340 - Communications: electrical
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