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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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Filing date
Publication date
Application filed by IndividualfiledCriticalIndividual
Priority to ES104308UpriorityCriticalpatent/ES104308Y/en
Publication of ES104308UpublicationCriticalpatent/ES104308U/en
Application grantedgrantedCritical
Publication of ES104308YpublicationCriticalpatent/ES104308Y/en
Mail wrapper essentially characterized by being constituted by a sheet of paper or cardboard divided into two equal parts by a fold line that presents in all its outline and parallel to the edges a line of perforations or climbing that limit a peripheral area that in a of the two parts in which the sheet is divided is covered by a layer of glue so that once the text is written on the side corresponding to the area of glue adheres said peripheral area with its corresponding of the other half leaving the written face perfectly closed until tearing through the clamp eliminates the stuck area and the reading of the content is possible. (Machine-translation by Google Translate, not legally binding)
ES104308U1961-02-191961-02-19
Mail wrap
ExpiredES104308Y
(en)