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. 16, 2025
Filed:
Sep. 10, 2021
Applicant:
DE LA Rue International Limited, Basingstoke, GB;
Inventors:
John Godfrey, Basingstoke, GB;
Rebecca Locke, Basingstoke, GB;
Assignee:
DE LA RUE INTERNATIONAL LIMITED, Basingstoke, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B42D 25/324 (2014.01); B41M 3/14 (2006.01); B42D 25/29 (2014.01); B42D 25/351 (2014.01); B42D 25/369 (2014.01); B42D 25/382 (2014.01); B42D 25/387 (2014.01); B42D 25/425 (2014.01);
U.S. Cl.
CPC ...
B42D 25/324 (2014.10); B41M 3/148 (2013.01); B42D 25/29 (2014.10); B42D 25/351 (2014.10); B42D 25/369 (2014.10); B42D 25/382 (2014.10); B42D 25/387 (2014.10); B42D 25/425 (2014.10); B41P 2200/10 (2013.01);
Abstract
A security device is provided, comprising one or more surface relief structure(s), each formed of one or more cured material(s), the surface relief structure(s) being disposed on a substantially flat substrate and defining a plurality of raised elements spaced from one another, the raised elements corresponding to elements of an image, whereby the plurality of raised elements varies across the surface relief structure(s) so as to exhibit a multi-tonal version of the image. Methods of manufacturing such devices are also disclosed.