发明名称 Carbonless paper notepad
摘要 A carbonless paper notepad for producing multiple copies of a document created on the notepad. The carbonless paper notepad includes a tablet with a plurality of sheets each having a lower face coated with a duplicating material. A top end of the tablet is coupled to a first end of a board. The board has a spaced apart pair of median folds extending between the sides of the board which divide the board into backer and underback panels. The backer panel is positioned beneath the tablet. The underback panel is inserted between adjacent sheets of the tablet beneath the upper sheet of the tablet.
申请公布号 US6217443(B1) 申请公布日期 2001.04.17
申请号 US19990267009 申请日期 1999.03.11
申请人 GREEN, JR. LEONARD C. 发明人 GREEN, JR. LEONARD C.
分类号 B41L1/20;B42D5/00;(IPC1-7):B42D17/00 主分类号 B41L1/20
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