Patent · US Active

Security element

US8603615B2 · kind B2 · utility

7Cited by
6References
23Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 10, 2008
Grant dateDec 10, 2013
Priority date
Expiry dateDec 1, 2028

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/24917
  • WIPO fieldOther consumer goods
  • WIPO sectorOther fields

Abstract

The present invention relates to a multilayer security element having a first, transparent layer structure having first, translucent sub-regions and a second, opaque layer structure exhibiting a color-shift effect and having second, transparent sub-regions.

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