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 ES89591UpriorityCriticalpatent/ES89591Y/en
Publication of ES89591UpublicationCriticalpatent/ES89591U/en
Application grantedgrantedCritical
Publication of ES89591YpublicationCriticalpatent/ES89591Y/en
"A PERFECTED OVER-LETTER", essentially characterized by the arrangement of a sheet, which has a cross-sectional area of folding and which determines the formation of two zones of equal width but of different length, the lower one being greater, the same being an angular cut forming a flap intended to serve as a means of introduction and fixing, the upper blade in its lower part of the lower plane and as a whole the entire front, for the purpose of inscription of addresses, advertising and franking, within boxes for this purpose planned. (Machine-translation by Google Translate, not legally binding)
ES89591U1961-10-281961-10-28
Enhanced letter envelope
ExpiredES89591Y
(en)