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.)
Roberto Zubiri S A
Original Assignee
Roberto Zubiri S A
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 Roberto Zubiri S AfiledCriticalRoberto Zubiri S A
Priority to ES1978236315UpriorityCriticalpatent/ES236315U/en
Publication of ES236315UpublicationCriticalpatent/ES236315U/en
Continuous web of documents on which, being constituted by a sheet of continuous paper already preprinted and which comprises, parallel to its longitudinal edges and close to them, respective perforation lines forming longitudinal strips provided with drilling holes, essentially characterized by presenting a a series of equidistant and transverse perforation lines that are capable of acting as fold lines, presenting, next to and parallel to each of the lines of longitudinal perforations, another line of perforation between which they form two continuous areas of liming, also presenting every three transverse perforation lines, a liming area adjacent to one of them, all in such a way that every three lines of perforation form a document-envelope based on three equal zones of which the plant has a window covered by a transparent . (Machine-translation by Google Translate, not legally binding)
ES1978236315U1978-05-261978-05-26Continuous band of documents-on. (Machine-translation by Google Translate, not legally binding)
PendingES236315U
(en)