发明名称 Cover for swimming pool
摘要 A thermal blanket or cover for a swimming pool. The blanket consists of a covering of flexible plastic sheet material to which are secured strips of foam-backed plastic sheet material to provide flotation and reinforcement.
申请公布号 US4192025(A) 申请公布日期 1980.03.11
申请号 US19780933679 申请日期 1978.08.14
申请人 HINSPERGER, CORNELIUS A 发明人 HINSPERGER, CORNELIUS A
分类号 E04H4/10;(IPC1-7):E04H3/16;E04H3/18 主分类号 E04H4/10
代理机构 代理人
主权项
地址