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.)
Roneo Union Cerrajera SA
Original Assignee
Roneo Union Cerrajera SA
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 Roneo Union Cerrajera SAfiledCriticalRoneo Union Cerrajera SA
Priority to ES0073734UpriorityCriticalpatent/ES73734Y/en
Publication of ES73734UpublicationCriticalpatent/ES73734U/en
Application grantedgrantedCritical
Publication of ES73734YpublicationCriticalpatent/ES73734Y/en
Box for transfer of correspondence and documents constructed with a sheet of cardboard or similar suitable material characterized by the slits and cuts made therein so as to result in the internal surface of the sheet a series of five rectangles joined by their larger sides, equal, of which the central rectangle is preferably the highest, its two adjacent are equal to each other and preferably the sum of the heights of the two extreme rectangles is equal to the height of said central rectangle; a quadrangular lug projecting from each minor side of one of the end rectangles; a rectangle projecting on each side of the aforementioned central rectangle of equal height and of equal width as the aforementioned lugs, each of which bears a quadrangular fin which are located on either side of the intermediate rectangle between the two central and cited end, and a protruding lug on each side of the rectangle next to the aforementioned central whose width is equal to the height of the last rectangle of the series. (Machine-translation by Google Translate, not legally binding)
ES0073734U1959-05-191959-05-19
Box for transfer of correspondence and documents
ExpiredES73734Y
(en)