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2416471
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Information
Patent Grant
2416471
References
Source
Patent Number
2,416,471
Date Filed
Not available
Date Issued
Tuesday, February 25, 1947
77 years ago
CPC
A63B35/04 - with paddle wheels
A63B2208/12 - specially adapted for children
US Classifications
440 - Marine propulsion
280 - Land vehicles
482 - Exercise devices
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