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. 26, 2016
Filed:
Jun. 26, 2012
Applicants:
Rainer Stahl, Nuremberg, DE;
Wayne Robert Tompkin, Baden, CH;
Harald Walter, Horgen, CH;
Inventors:
Assignees:
LEONHARD KURZ STIFTUNG & CO. KG., Furth, DE;
OVD KINEGRAM AG, Zug, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1335 (2006.01); G02B 26/02 (2006.01); G02F 1/01 (2006.01); B42D 25/29 (2014.01); B42D 25/00 (2014.01); G02F 1/1334 (2006.01); B41M 3/14 (2006.01); B42D 25/328 (2014.01);
U.S. Cl.
CPC ...
G02F 1/133514 (2013.01); B42D 25/00 (2014.10); B42D 25/29 (2014.10); G02B 26/02 (2013.01); G02F 1/0102 (2013.01); G02F 1/133516 (2013.01); B41M 3/14 (2013.01); B42D 25/328 (2014.10); B42D 2033/04 (2013.01); B42D 2033/06 (2013.01); B42D 2033/08 (2013.01); B42D 2033/20 (2013.01); B42D 2033/26 (2013.01); B42D 2033/46 (2013.01); B42D 2035/24 (2013.01); G02F 1/1334 (2013.01);
Abstract
The invention relates to a multi-layered foil body () for marking a security document, in particular a banknote. The foil body () has at least one color filter layer () and at least one change layer () with an electrically controllable transmittance and/or an electrically controllable color.