Patent · US Active

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 dateApr 11, 2007
Grant dateMay 22, 2012
Priority date
Expiry dateMay 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.