Patent · US Expired

Multilayered indentification card

US4536013A · kind A · utility

26Cited by
12References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 11, 1983
Grant dateAug 20, 1985
Priority date
Expiry dateMar 11, 2003

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S283/904
  • WIPO fieldOther consumer goods
  • WIPO sectorOther fields

Abstract

A multilayered data carrier, in particular an identification card, consisting of at least one data carrier with non-user and user data, in particular with a phonograph of the authorized user, in the case of which the user data, i.e. the user's photograph, are protected by a transparent cover sheet which is glued or welded onto the card. The data carrier has a high-security printed pattern, e.g. a guilloche pattern, and the user data are copied onto the data carrier by means of an electro-photographic method, i.e. by xerography or by zinc oxide-electrophotography.

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