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 ES107387UpriorityCriticalpatent/ES107387Y/en
Publication of ES107387UpublicationCriticalpatent/ES107387U/en
Application grantedgrantedCritical
Publication of ES107387YpublicationCriticalpatent/ES107387Y/en
Envelope for improved correspondence characterized in that it is constituted essentially by a rectangular sheet of paper in which they have been practiced by successive transverse folds and three bodies substantially equal the center of which has two glued side lugs and the adjacent upper and lower two windows in coincidence of confrontation having the first of these two last bodies mentioned that has its rounded esguines one upper flap gummed and another opposite and parallel also gummed determined by the fold line of the own body and another parallel of perforations. (Machine-translation by Google Translate, not legally binding)
ES107387U1964-07-211964-07-21
AN ENVELOPE FOR CORRESPONDENCE, PERFECTED.
ExpiredES107387Y
(en)