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:
Oct. 02, 2012
Filed:
Oct. 06, 2005
Manfred Heim, Munich, DE;
Friedrich Kretschmar, Munich, DE;
Manfred Heim, Munich, DE;
Friedrich Kretschmar, Munich, DE;
Giesecke & Devrient GmbH, Munich, DE;
Abstract
The present invention relates to a security element for securing valuable articles, having an optically variable layer () that imparts different color impressions at different viewing angles. According to the present invention, in a covering area (), a semi-transparent ink layer () is disposed on top of the optically variable layer (), the color impression of the optically variable layer () being coordinated with the color impression of the semi-transparent ink layer () in the covering area () when viewed under predefined viewing conditions.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile