Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Individual
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Individual
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Publication date
Application filed by IndividualfiledCriticalIndividual
Priority to ES0012807UpriorityCriticalpatent/ES12807Y/en
Publication of ES12807UpublicationCriticalpatent/ES12807U/en
Application grantedgrantedCritical
Publication of ES12807YpublicationCriticalpatent/ES12807Y/en
Binding for files or loose-leaf books, characterized in that the sheets or files have, on the edge arranged for binding, one or more pairs of holes or slits, which starting from the edge extend in an angular "L" or other similar, and are arranged symmetrically, that is, so that the inner parts are directed towards the center of the sheet forming between them a tongue with a constriction in its interior part or boot, and in which around this throttling, a group or block of several overlapping sheets is arranged an elastic ring that holds the entire group of sheets and holds them together, allowing you to browse them as if it were a book. (Machine-translation by Google Translate, not legally binding)
ES0012807U1946-03-141946-03-14
Binding system for files and loose-leaf books
ExpiredES12807Y
(en)
Book composed of several independent notebooks, coupled in an indefinite number, with a new and special index in its center, which appears in its entirety when the book is opened. (Machine-translation by Google Translate, not legally binding)