发明名称 SIDELESS COLLAPSIBLE FRAME LAMPSHADE
摘要 A sideless collapsible frame lampshade wherein two upper and lower circular frames are utilized as the top and bottom structural elements on which a pliant material is installed and held taut by means of a middle frame that allows for convenient assembly and disassembly, while reinforcing the separation of the upper and lower circular frames to thereby form a collapsible lampshade structure that does not require lateral frame members.
申请公布号 CA2300764(C) 申请公布日期 2004.02.24
申请号 CA20002300764 申请日期 2000.03.16
申请人 SHIH, WEN-SHOWN 发明人 SHIH, WEN-SHOWN
分类号 F21V1/06;F21V17/00;(IPC1-7):F21V1/06 主分类号 F21V1/06
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