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 ES0076535UpriorityCriticalpatent/ES76535Y/en
Publication of ES76535UpublicationCriticalpatent/ES76535U/en
Application grantedgrantedCritical
Publication of ES76535YpublicationCriticalpatent/ES76535Y/en
"PERFECTED ENVELOPES" characterized in that the flaps, for closing, are arranged so that they are placed one on top of the other, and adapted to receive an outward rotating movement and to bend the edge of the opening by a movement in the same direction towards the back and also towards the front of the envelope, with the gummed surfaces arranged inwards, and therefore, covered to protect said gummed surfaces against the penetration of dust, and preventing the gummed surfaces of the adjacent envelopes from coming into contact with each other when There are the envelopes piled up. (Machine-translation by Google Translate, not legally binding)
ES0076535U1958-11-071958-11-07
Improvements in the manufacture of potable salts or similar
ExpiredES76535Y
(en)