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:
Jun. 30, 2026
Filed:
Dec. 18, 2020
Applicant:
Oberthur Fiduciaire Sas, Paris, FR;
Inventors:
Henri Rosset, Le Pin, FR;
Philippe Dietemann, Saint Martin d'Heres, FR;
Aurélie Maman, Chasselay, FR;
Assignee:
OBERTHUR FIDUCIAIRE SAS, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B42D 25/324 (2014.01); B42D 25/21 (2014.01); B42D 25/351 (2014.01); B42D 25/364 (2014.01); B42D 25/391 (2014.01); B42D 25/47 (2014.01);
U.S. Cl.
CPC ...
B42D 25/364 (2014.10); B42D 25/21 (2014.10); B42D 25/324 (2014.10); B42D 25/351 (2014.10); B42D 25/391 (2014.10); B42D 25/47 (2014.10);
Abstract
The invention relates to an optical structure () having a relief effect, comprising: —a support () adapted for aligning liquid crystals, —a deposit () in contact with the support of a substance in the form of at least one pattern (), which partially covers the support, and—a liquid crystal layer () which at least partially covers the support and said pattern and is in contact with the support.