发明名称 Apparatus for anchoring an umbrella
摘要 An apparatus and method for anchoring an umbrella that has a shaft are disclosed. The apparatus includes a plurality of containers that can contain a material or object that provides weight to the containers, preferably equal to the combined weight of the umbrella and the shaft.
申请公布号 US6446649(B1) 申请公布日期 2002.09.10
申请号 US20000660953 申请日期 2000.09.13
申请人 BIGFORD BARBARA 发明人 BIGFORD BARBARA
分类号 A45B23/00;A45B25/22;E04H12/22;(IPC1-7):A45B3/00 主分类号 A45B23/00
代理机构 代理人
主权项
地址