Patent · US Expired

Talking prepaid phone card display

USD451701S · kind S · design

15Cited by
5References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 15, 1999
Grant dateDec 11, 2001
Priority date
Expiry dateDec 11, 2015

Classification

  • Technology area (CPC —)General

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