发明名称 |
Large-diameter tennis ball. |
摘要 |
<p>A tennis ball has a diameter about 5% to about 13% greater than the diameter of a standard tennis ball. The ball has about the same weight, and the thickness of the core of the ball is less than that of a standard ball. The rebound and coefficient of restitution of the ball are equal to or better than the rebound and coefficient of restitution of a standard ball.</p> |
申请公布号 |
EP0170782(A1) |
申请公布日期 |
1986.02.12 |
申请号 |
EP19850104619 |
申请日期 |
1985.04.17 |
申请人 |
WILSON SPORTING GOODS COMPANY |
发明人 |
CLAIRE, BRIAN |
分类号 |
A63B39/00;A63B39/06;A63B43/00;(IPC1-7):A63B39/00;A63B41/00 |
主分类号 |
A63B39/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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