Patent · US Expired

Symmetrical contactless data card with off center aperture and shield

USD571856S1 · kind S1 · design

53Cited by
30References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 27, 2007
Grant dateJun 24, 2008
Priority date
Expiry dateJun 24, 2022

Classification

  • Technology area (CPC —)General

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