发明名称 Book index markers
摘要 A book index marker combined with a book such as a telephone directory, dictionary or the like in which information is categorized alphabetically, numerically or the like with the index marker of the present invention providing readily observable indicia associated with the pages of the book which constitute the initial page of each category of information in the book. In one embodiment, the index marker is inserted between the pages of the book with the indexing indicia disposed above and below the top and bottom edges of the book with this embodiment being secured in place by an elastic band extending externally of the spine of the book or by anchoring elements engaging the spine of the book. In another embodiment of the invention, the index marker has the indicia disposed along the vertical free edges of the pages of the book and has a spine extendng outwardly of the spine of the book and secured thereto by a rubber band extending between the pages of the book adjacent the spine.
申请公布号 US4437685(A) 申请公布日期 1984.03.20
申请号 US19820371000 申请日期 1982.04.22
申请人 VALENCIA, JOSE 发明人 VALENCIA, JOSE
分类号 B42D9/00;B42F21/00;(IPC1-7):B42D9/00 主分类号 B42D9/00
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