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:
Oct. 23, 2018
Filed:
Apr. 23, 2014
IQ Structures S.r.o., Husinec-Rez, CZ;
Tomas Tethal, Husinec Rez, CZ;
IQ Structures S.R.O., , CZ;
Abstract
A method of manufacturing laminate, including at least a carrying layer () and a cover layer () each of thermoplastic material bonded together with a diffractive optical element () incorporated between them, the method including the steps of: providing a layer () having a different refractive index from that of the carrying layer () or the cover layer () and placing the layer () on the carrying layer (), wherein the layer () is placed only in some areas of the carrying layer (); imprinting a stamp () with optical diffractive relief () thereon into the layer (); placing the cover layer () on the layer (); and heating the resulting laminate to a temperature at which bonding of the cover layer () and the carrying layer () occurs.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile