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 ES0057693UpriorityCriticalpatent/ES57693Y/en
Publication of ES57693UpublicationCriticalpatent/ES57693U/en
Application grantedgrantedCritical
Publication of ES57693YpublicationCriticalpatent/ES57693Y/en
Improved envelope, characterized in that in the envelope itself, and in its upper part, of the closing flap is previously arranged a longitudinal cut toothed, on which adhesive paper adheres throughout the course of the aforementioned cut, in order to close it completely, simply by opening the said adhesive paper to open it, leaving open the cut again where the correspondence will be extracted. (Machine-translation by Google Translate, not legally binding)
ES0057693U1956-12-141956-12-14
About perfected
ExpiredES57693Y
(en)