Patent · US Expired

Security threads having at least two security detection features and security papers employing same

US5486022A · kind A · utility

35Cited by
5References
10Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 4, 1994
Grant dateJan 23, 1996
Priority date
Expiry dateApr 4, 2014

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S428/916
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

A visually verifiable and machine-readable security thread having at least two security detection means located thereon, where a first security detection means comprises a machine-readable repeating pattern and where a second security detection means comprises visually verifiable metal-formed indicia. Such security threads are suitable for use with security documents, such as banknotes and the like, labels and any other documents or means of identification used for purposes which make the verification of the authenticity of each specimen desirable at least once in its lifetime.

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