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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AGUILAR S A DE EDICIONES
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AGUILAR S A DE EDICIONES
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Application filed by AGUILAR S A DE EDICIONESfiledCriticalAGUILAR S A DE EDICIONES
Priority to ES0068179UpriorityCriticalpatent/ES68179U/es
Publication of ES68179UpublicationCriticalpatent/ES68179U/es
Nuevo sobre, caracterizado por que en su construcción se emplea un papel transparente a través del cual puede leerse la dirección del destinatario impresa en el papel de las cartas y puede también conocerse la situación de la carta para efectuar sin riesgo la operación de apertura.
ES0068179U1958-08-291958-08-29Nuevo sobre
PendingES68179U
(es)