发明申请
- 专利标题： YOUTH BASEBALL
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申请号： US15978933申请日： 2018-05-14
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公开(公告)号： US20180333613A1公开(公告)日： 2018-11-22
- 发明人: Michael Butcher , Timothy W. Markison
- 申请人： Michael Butcher , Timothy W. Markison
- 主分类号： A63B37/12
- IPC分类号： A63B37/12 ; A63B37/06 ; A63B69/00
摘要：
A youth baseball includes a core center and an outer surface that encircles the core center. The circumference of the outer surface is less than or equal to 8.375 inches. The weight of the youth baseball is less than or equal to 4.7 ounces.
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