Patent · US Active

Security element and security document

US10112430B2 · kind B2 · utility

2Cited by

1References

36Claims

0Family size

Assignee

OVD Kinegram AG · CH

Inventors

Wayne Robert Tompkin · Baden, CH
Harald Walter · Horgen, CH
Sebastian Mader · Hilden, DE

Key dates

Filing date	Sep 3, 2013
Grant date	Oct 30, 2018
Priority date	—
Expiry date	Mar 22, 2035

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB42D2035/36
WIPO fieldOther consumer goods
WIPO sectorOther fields

Abstract

The invention relates to a security element (2) with a first area (30) that is transparent in transmitted light. The security element (2) has a substrate (21) which has, in the first area (30), one or more transmissive diffraction structures which display one or more optical security features when observed in transmitted light.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.