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.)
ZURLINDEN EDUARD
Original Assignee
ZURLINDEN EDUARD
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 ZURLINDEN EDUARDfiledCriticalZURLINDEN EDUARD
Application grantedgrantedCritical
Publication of DE804800CpublicationCriticalpatent/DE804800C/de
Zeichenblock o. dgl. mit Abreissperforationen in der Naehe der einander gegenueberliegenden Heftraender sowie Verfahren und Vorrichtung zur Herstellung der Perforationen
Zu Blättern, Umschlägen, Stoffmustern od.dgl. Flächengebilden zugehörige, zur Aufnahme insbesondere von Heftringen bei Ordnern bestimmte Elemente in Plättchen- oder Streifenform