发明名称 |
FOOTWEAR |
摘要 |
An article of footwear which has a rotatable portion on its sole or heel to enable a wearer of the footwear readily to pivot on one foot. The invention also includes a device having a rotatable ground-engaging portion and a support member for rotatably retaining said portion on an article of footwear.
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申请公布号 |
US3680231(A) |
申请公布日期 |
1972.08.01 |
申请号 |
USD3680231 |
申请日期 |
1970.12.07 |
申请人 |
JOSEPH FRANCIS DYMOND;EVESWELL PARK ROAD |
发明人 |
JOSEPH FRANCIS DYMOND;EVESWELL PARK ROAD |
分类号 |
A43B5/00;A43B5/12;A43B21/433;A43C15/16;(IPC1-7):A43B23/28 |
主分类号 |
A43B5/00 |
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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