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 ES0061822UpriorityCriticalpatent/ES61822U/es
Publication of ES61822UpublicationCriticalpatent/ES61822U/es
Un sobre perfeccionado de forma corriente, que lleva adherido en la parte interna de uno de sus dobleces y a lo largo de la arista correspondiente al mismo, un hilo delgado que sobresale por un extremo de dicho dobles, al objeto de facilitar el rasgado y apertura del sobre.
ES0061822U1957-09-121957-09-12Un sobre perfeccionado
PendingES61822U
(es)