Patent · US Expired

Tamper evident and counterfeit resisting informational article and associated method

US6364994B1 · kind B1 · utility

5Cited by
34References
3Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 30, 1996
Grant dateApr 2, 2002
Priority date
Expiry dateSep 30, 2016

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31504
  • WIPO fieldOther consumer goods
  • WIPO sectorOther fields

Abstract

A method of protecting an informational article including providing an informational article substrate having a zone for inserting variable information and a refractive image disposed within the zone, inserting the information in the zone so that at least a portion of the information is over the image, and securing a transparent tape having a write-resistant exposed surface over the information. The image resist photocopy duplication of the article and the write-resistant exposed surface resist alteration of the information.

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