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:
May. 19, 2009
Filed:
Apr. 17, 2003
Heinrich Wild, Herzogenaurach, DE;
Ludwig Brehm, Adelsdorf, DE;
Heinrich Wild, Herzogenaurach, DE;
Ludwig Brehm, Adelsdorf, DE;
Leonhard Kurz GmbH & Co., KG, Furth, DE;
Abstract
An optically variable element, in particular an optically variable safeguard element for safeguarding banknotes, credit cards and the like. A security product and a foil, in particular an embossing foil or a laminating foil, having such an optically variable element. The optically variable element has a thin film for producing color shifts by means of an interference and/or a reflective layer. The optically variable element further has a transparent window. The interference film and/or the reflective layer include a partial element, namely a partial thin film element or a partial reflective element, respectively. The partial element or elements surround the surface region of the transparent window.