Tamper evident and counterfeit resisting informational article and associated method
US6364994B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Sep 30, 1996 |
| Grant date | Apr 2, 2002 |
| Priority date | — |
| Expiry date | Sep 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.