Patent · US Active

Relatively small security elements, production method thereof, sheet and security document comprising same

US7905422B2 · kind B2 · utility

1Cited by

4References

27Claims

0Family size

Assignee

ARJOWIGGINS SECURITY · FR

Inventors

Nathalie Vast · La Ferté-Bernard, FR
Pierre Doublet · Romilly-sur-Seine, FR

Key dates

Filing date	Feb 11, 2005
Grant date	Mar 15, 2011
Priority date	—
Expiry date	Mar 6, 2028

Classification

Technology area (CPC D)Textiles; Paper
CPC primaryD21H21/52
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

The invention relates to a flat security element, having a front side and a reverse side, and being relatively small in size, such as planchettes, including, at least on one of its sides, at least one in-register authentication pattern and/or an authentication pattern resulting from the combination and/or superposition of a pattern on its front side and of a pattern on its reverse side, at least one of said authentication patterns being at least partly observable in transmitted light. It also relates to the manufacturing process thereof and to the security sheets and documents containing them.

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