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 ES0071899UpriorityCriticalpatent/ES71899Y/en
Publication of ES71899UpublicationCriticalpatent/ES71899U/en
Application grantedgrantedCritical
Publication of ES71899YpublicationCriticalpatent/ES71899Y/en
Letter with built-in envelope, characterized by being constituted by a sheet of paper, which carries in its center, horizontally, a line of drilled points that divides it into two equal parts, the upper one being the letter itself and the lower one the one that will form the envelope. (Machine-translation by Google Translate, not legally binding)
ES0071899U1959-02-241959-02-24
Letter with embedded envelope
ExpiredES71899Y
(en)