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:
Feb. 05, 2013
Filed:
Jan. 25, 2008
Applicant:
Maurizio Lazzerini, Cerro al Lambro, IT;
Inventor:
Maurizio Lazzerini, Cerro al Lambro, IT;
Assignee:
Fedrigoni S.p.A., Verona, IT;
Primary Examiner:
Int. Cl.
CPC ...
G06K 7/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A security element, particularly for banknotes, security cards and the like, comprising a first substrate which is at least partially opaque when viewed in transmitted light, magnetic areas being deposited on the substrate, the magnetic areas comprising at least two types of magnetic areas which have different coercivity values and whose residual magnetism is identical or different, said different values being adapted to generate at least three mutually different codes.