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:
Nov. 01, 2016
Filed:
Aug. 18, 2008
Applicants:
Roland Isherwood, Whitchurch, GB;
James Snelling, Andover, GB;
Alan Brown, Hampshire, GB;
Inventors:
Assignee:
De La Rue International Limited, Basingstoke, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 3/00 (2006.01); G06K 19/06 (2006.01); D21H 21/42 (2006.01); B42D 25/355 (2014.01); B42D 25/00 (2014.01); D21H 21/48 (2006.01);
U.S. Cl.
CPC ...
G06K 19/06196 (2013.01); B42D 25/00 (2014.10); B42D 25/355 (2014.10); D21H 21/42 (2013.01); B42D 2033/04 (2013.01); B42D 2033/16 (2013.01); D21H 21/48 (2013.01); Y10T 428/24628 (2015.01); Y10T 428/24802 (2015.01); Y10T 428/24868 (2015.01); Y10T 428/24876 (2015.01);
Abstract
The invention relates to improvements in substrates and in particular to new substrates having magnetic and visual security features, which provide security against imitation. A security substrate comprising a transparent polymer carrier layer bearing indicia formed from a plurality of opaque and non-opaque regions and a transparent magnetic layer supported by the carrier layer containing a distribution of particles of a hard magnetic material of a size and distributed in a concentration at which the magnetic layer remains transparent.