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, 2002
Filed:
Sep. 12, 2000
Applicant:
Inventor:
Ralph Kay, Hampshire, GB;
Assignee:
De La Rue International Limited, Hampshire, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09J 7/04 ;
U.S. Cl.
CPC ...
C09J 7/04 ;
Abstract
A method of manufacturing a security device, the method comprising providing a radiation curable material on a shrinkable substrate; imparting an optically variable effect structure on or into the radiation curable material; and curing the material so that it retains the optically variable effect structure.