Patent · US Expired

Value-bearing document with window

US6428051B1 · kind B1 · utility

28Cited by

9References

19Claims

0Family size

Assignee

Leonhard Kurz GmbH & Co. KG · DE

Inventors

Jürgen Herrmann · Rosenheim, DE
Werner Reinhart · Zirndorf, DE

Key dates

Filing date	Nov 16, 1995
Grant date	Aug 6, 2002
Priority date	—
Expiry date	Nov 16, 2015

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S428/916
WIPO fieldOther consumer goods
WIPO sectorOther fields

Abstract

Proposed is a value-bearing document in which the carrier is provided with a window-like opening which is closed by a cover foil which is transparent at least in a region-wise manner, wherein in particular in the region of the window-like opening the cover foil can be provided with additional security features, for example diffraction structures.

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