发明名称 Super flat umbrella
摘要 The invention relates to a super flat umbrella, which includes a convex portion on upper joint or a cover plate to push a central frame outward when the umbrella is closed. The central frame and the side frames of the umbrella become in a triangle state without conflict. Hence, the closed umbrella will be super flat for being easily carried in a handbag or a briefcase that provides obviously improvements.
申请公布号 US2006272689(A1) 申请公布日期 2006.12.07
申请号 US20050144765 申请日期 2005.06.06
申请人 KO CHIN-SUNG 发明人 KO CHIN-SUNG
分类号 A45B19/00 主分类号 A45B19/00
代理机构 代理人
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