发明名称 Card index box
摘要 This invention relates in general to card filing devices and more particularly to a card file case comprising a one piece receptacle for the cards to be filed with angled projections at the front and back of the receptacle which are an integral part thereof for retaining the cards in an angular position from the verticle.
申请公布号 US4012087(A) 申请公布日期 1977.03.15
申请号 US19750597346 申请日期 1975.07.21
申请人 EDWARDS, JR., ROBERT L. 发明人 EDWARDS, JR., ROBERT L.
分类号 B42F17/08;(IPC1-7):A47B63/00;B65D1/34 主分类号 B42F17/08
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