发明名称 Collapsible hat with spring
摘要 A collapsible hat, comprising a crown formed of a flexible or bendable material, with inner and outer portions, a brim attached to the inner portion of the crown, a spring connected between the inner and outer portions of the crown for holding the crown in an upright or open state, the spring being collapsible so that the crown can be flattened against the brim for collapsing the hat into a flattened state.
申请公布号 US2006080758(A1) 申请公布日期 2006.04.20
申请号 US20040969499 申请日期 2004.10.20
申请人 JOHNSON KEITH E 发明人 JOHNSON KEITH E.
分类号 A42B1/00 主分类号 A42B1/00
代理机构 代理人
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