发明名称 Non-slip wheel for a child's toy
摘要 A wheel for a child's toy formed from a first and second section. The first section is made from a material having a Shore A durometer of 100 or less. The second section is disposed within the first section. The second section is made from a rigid material and provides structural support for the wheel.
申请公布号 US2004002283(A1) 申请公布日期 2004.01.01
申请号 US20030421308 申请日期 2003.04.23
申请人 HERBERT DAVID J.;WALRAVEN THOMAS M. 发明人 HERBERT DAVID J.;WALRAVEN THOMAS M.
分类号 A47D13/04;A63H17/267;(IPC1-7):A63H7/00 主分类号 A47D13/04
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