发明名称 REUSABLE FILE FOLDER
摘要 A file folder is made with both front and back covers of sheet plastic, joined by a flexible material such as cloth. These cover members have their longitudinal side margins integrally formed into clips disposed to releasably retain sheets of paper and the like. One of the covers preferably has an index tab retainer attached or formed from the cover so as to extend outwardly from the cover, said tab retainer adapted for inserting or attaching new indexing strips when desired.
申请公布号 US3643363(A) 申请公布日期 1972.02.22
申请号 USD3643363 申请日期 1970.03.18
申请人 F. JOSEPH BIRO 发明人 F. JOSEPH BIRO
分类号 B42F7/00;(IPC1-7):B65D27/06 主分类号 B42F7/00
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