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:
Dec. 30, 2014
Filed:
Apr. 23, 2003
Applicants:
Manfred Heim, Munich, DE;
Christian Schmitz, Schliersee-Neuhaus, DE;
Inventors:
Manfred Heim, Munich, DE;
Christian Schmitz, Schliersee-Neuhaus, DE;
Assignee:
Giesecke & Devrient GmbH, Munich, DE;
Primary Examiner:
Int. Cl.
CPC ...
B42D 15/00 (2006.01);
U.S. Cl.
CPC ...
B42D 15/0026 (2013.01); B42D 15/0013 (2013.01); B42D 2033/10 (2013.01);
Abstract
The invention relates to a security element for security papers, bank notes, ID cards or the like, with a substrate, on which are disposed at least two metal layers, the metal layers having different optical densities.