发明名称 Greeting card with detachable message covers
摘要 Greeting cards in which portions of messages are obscured by one or more detachable covers, so that the messages are revealed when the covers are moved. In a preferred embodiment, the detachable covers are POST-IT brand notes.
申请公布号 US5667248(A) 申请公布日期 1997.09.16
申请号 US19950517912 申请日期 1995.08.22
申请人 MAYER, LISA 发明人 MAYER, LISA
分类号 B42D15/04;(IPC1-7):B42D15/00 主分类号 B42D15/04
代理机构 代理人
主权项
地址