发明名称 Magnetic calendar holder
摘要 A calendar stand has a tray formed therein. A top surface has windows which register with the trays. A card displaying information passes through the slots and is placed on the trays and magnetically held thereon. The cards can only be removed by a special tool which passes through the slot. Additionally, a pen is provided which is secured to the stand which pen can only be opened with a special tool.
申请公布号 US4321763(A) 申请公布日期 1982.03.30
申请号 US19800191496 申请日期 1980.09.29
申请人 SOUCY, NORMAN F. 发明人 SOUCY, NORMAN F.
分类号 G09D3/10;(IPC1-7):G09D3/10 主分类号 G09D3/10
代理机构 代理人
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