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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by IndividualfiledCriticalIndividual
Priority to ES0000599UpriorityCriticalpatent/ES599Y/es
Publication of ES599UpublicationCriticalpatent/ES599U/es
Application grantedgrantedCritical
Publication of ES599YpublicationCriticalpatent/ES599Y/es
Un sobre con un dispositivo de apertura que consiste en un hilo unido al papel y dispuesto en el interior de dicho sobre según la línea que forma el pliegue de la tapa del mismo, hallándose generalmente pegado el hilo en cuestión mediante una sustancia adherente.
ES0000599U1931-05-161931-05-16Procedimiento para la apertura de sobres.
ExpiredES599Y
(es)