Patent · US Active

Security feature and method of manufacture thereof

US11413900B2 · kind B2 · utility

0Cited by
0References
20Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 21, 2021
Grant dateAug 16, 2022
Priority date—
Expiry dateMay 21, 2041

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB41M3/14
  • WIPO fieldOther consumer goods
  • WIPO sectorOther fields

Abstract

The present disclosure relates to methods of producing substrate level multi-tonal images.

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