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/en
Publication of ES599UpublicationCriticalpatent/ES599U/en
Application grantedgrantedCritical
Publication of ES599YpublicationCriticalpatent/ES599Y/en
An envelope with an opening device consisting of a thread attached to the paper and disposed inside said envelope according to the line that forms the fold of the lid thereof, the thread in question being generally glued by an adherent substance. (Machine-translation by Google Translate, not legally binding)
ES0000599U1931-05-161931-05-16
Procedure for opening envelopes.
ExpiredES599Y
(en)