发明名称 Automatic book mark
摘要 A book mark for use in combination with a book having a front cover, a back cover and a spine therebetween, comprises a clamp for releasable attachment to the book and a marker, integrally formed with the clamp and arranged to extend, in use, from the clamp generally outward of the spine of the book, for releasably marking a page in the book. The clamp and the marker are formed of a molded, flexible, resilient material.
申请公布号 US4941684(A) 申请公布日期 1990.07.17
申请号 US19880232176 申请日期 1988.08.15
申请人 BEN-DAK, JOSEPH D. 发明人 FRANK, AMOS;KEHAT, JOEL
分类号 B42D3/14 主分类号 B42D3/14
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