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3587190
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Information
Patent Grant
3587190
References
Source
Patent Number
3,587,190
Date Filed
Not available
Date Issued
Monday, June 28, 1971
53 years ago
CPC
A63F7/3622 - Specially shaped rolling boards for the balls
A63H18/021 - Flexible tracks; Fluid-pressure-actuated tracks
A63F2003/00362 - with connections between modules
US Classifications
446 - Amusement devices: toys
238 - Railways: surface track
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