Optically variable tactile security feature
US10112433B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 11, 2016 |
| Grant date | Oct 30, 2018 |
| Priority date | — |
| Expiry date | Nov 11, 2036 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41M2205/24
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A security document and method of manufacturing the security document are disclosed. The security document includes a substrate including a laser reactive material and data. The security document also includes an optically variable tactile security feature formed in the laser reactive material, the optically variable tactile security feature including a non-tactile portion and a tactile portion. When viewed at a first viewing angle, the optically variable tactile security feature appears to be a first color, and at a second viewing angle different from the first viewing angle, the optically variable tactile security feature appears to be a second color.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.