发明名称 Ice skating rink
摘要 A new ice skating rink for easily and conveniently forming a sheet of ice for ice skating. The inventive device includes a plurality of water holding trays disposed on the ground and connected together using connectors. When the water within the trays freezes, a substantially continuous sheet of ice is formed.
申请公布号 US5771706(A) 申请公布日期 1998.06.30
申请号 US19970821209 申请日期 1997.03.20
申请人 LAVIGNE, PETER P. 发明人 LAVIGNE, PETER P.
分类号 A63C19/10;E01C13/10;(IPC1-7):F25C3/02 主分类号 A63C19/10
代理机构 代理人
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