Patent · US Expired

Security paper and method and apparatus for producing the same

US8465625B2 · kind B2 · utility

2Cited by

31References

16Claims

0Family size

Assignee

GIESECKE & DEVRIENT GMBH · DE

Inventors

Michael Boehm · Ojai, US
Horst Reigl · Miesbach, DE
Theo Burchard · Tegernsee, DE

Key dates

Filing date	Dec 17, 2002
Grant date	Jun 18, 2013
Priority date	—
Expiry date	Nov 29, 2024

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB42D25/346
WIPO fieldOther consumer goods
WIPO sectorOther fields

Abstract

A security paper for producing security documents, such as bank notes, identity cards or the like, having at least one opening, whereby the opening is produced during papermaking and does not have a sharp limiting edge in the edge area.

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