发明名称 Expanding file portfolio
摘要 An expanding file portfolio that comprises a front panel member, a rear panel member and a spine member, all of which are made from a substantially rigid plastic material. The spine member has a base portion, a front section and a rear section. The front section of the spine member overlaps and is attached to a portion of the front panel member and the rear section of the spine member overlaps and is attached to a portion of the rear panel member. A divider insert member extends between the front panel member and the rear panel member.
申请公布号 US2004079792(A1) 申请公布日期 2004.04.29
申请号 US20020281640 申请日期 2002.10.29
申请人 ITS ACADEMIC OF ILLINOIS, INC. 发明人 SHAPIRO BRUCE;STONE DAVID;SHAPIRO DAVID
分类号 A45C3/02;A45C5/00;B42F7/08;(IPC1-7):B65D27/00 主分类号 A45C3/02
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