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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Application filed by IndividualfiledCriticalIndividual
Priority to ES0049352UpriorityCriticalpatent/ES49352Y/en
Publication of ES49352UpublicationCriticalpatent/ES49352U/en
Application grantedgrantedCritical
Publication of ES49352YpublicationCriticalpatent/ES49352Y/en
Improved block for copies consisting essentially of a plurality of juxtaposedly arranged booklets or unit groups and each composed of an appropriate number of sheets of writing paper and carbon, conveniently interleaved, in which the latter are loose, and shorter that the first ones by their edge opposite to the one of gluing of these, whose booklets are united, solely and exclusively, by means of gluing strips arranged on the corresponding edge of the writing sheets in which the spine is located, being free those of Coal for this purpose have recesses cut in the area of its edge corresponding to each of said gluing strips and a skewed cut at the apex opposite to the extraction, presenting the sheets of writing paper, except the original of each unit group , separate cuts in the vertices of the edge opposite to that of the carbon paper slant. (Machine-translation by Google Translate, not legally binding)
ES0049352U1955-07-161955-07-16
Block perfected for copies
ExpiredES49352Y
(en)