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.)
B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
B31D5/00—Multiple-step processes for making three-dimensional articles ; Making three-dimensional articles
Vorrichtung zum Verstauchen von Blaettern, Briefen, Packungen aus Papier, Pappe u. dgl. laengs Linien am Heftrande mittels Walzen mit an den Stirnseiten abgeschraegten Zaehnen
Vorrichtung, welche Zeichen beliebiger Art in vorbestimmten, regelbaren Zeitabstaenden oder mit vorbestimmter, regelbarer Geschwindigkeit sichtbar macht und verschwindenlaesst