ID card comprising a contoured relief structure, and corresponding production method
US8181993B2 · kind B2 · utility
0Cited by
11References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 11, 2007 |
| Grant date | May 22, 2012 |
| Priority date | — |
| Expiry date | May 16, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S283/904
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
An identification card of plastic, for example PVC or polyester, is introduced, in which tactile symbols in the form of foamed relief structures are clearly visually perceivable. The symbols are outlined by a contour achieved by discoloration of the plastic.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.