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. 02, 2025
Filed:
Jan. 25, 2022
Applicant:
Giesecke+devrient Epayments Gmbh, Munich, DE;
Inventor:
Michael Baldischweiler, Munich, DE;
Assignee:
GIESECKE+DEVRIENT EPAYMENTS GMBH, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06K 19/00 (2006.01); C22C 38/00 (2006.01); C22C 38/16 (2006.01); G06K 19/02 (2006.01);
U.S. Cl.
CPC ...
G06K 19/02 (2013.01); C22C 38/002 (2013.01); C22C 38/16 (2013.01);
Abstract
A card body for a chip card, includes a metal layer made of a steel alloy. The steel alloy of the metal layer contains 0.07 to 4 wt. % of carbon, and/or the steel alloy of the metal layer contains 0.01 to 0.3 wt. % of sulfur.