The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 22, 2014
Filed:
Dec. 10, 2012
Andre Gregarek, Munich, DE;
Andreas Hanelt, Fischbachau, DE;
Bernhard Wiedner, Miesbach, DE;
Theodor Burchard, Gmund, DE;
Andreas Aigner, Valley, DE;
Gunther Wild, Hausham, DE;
Andre Gregarek, Munich, DE;
Andreas Hanelt, Fischbachau, DE;
Bernhard Wiedner, Miesbach, DE;
Theodor Burchard, Gmund, DE;
Andreas Aigner, Valley, DE;
Gunther Wild, Hausham, DE;
Giesecke & Devrient GmbH, Munich, DE;
Abstract
The present invention relates to a dewatering screen for manufacturing paper having multi-level watermarks, having a carrier mold () that exhibits, in a fractional region, a multi-level relief () in the form of the watermark to be produced. According to the present invention, it is provided that the multi-level relief is formed by an injection-molded, perforated () watermark insert ().