Patent · US Expired

Key matrix for a handset

USD455738S1 · kind S1 · design

37Cited by
18References
1Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 30, 2001
Grant dateApr 16, 2002
Priority date
Expiry dateApr 16, 2016

Classification

  • Technology area (CPC —)General

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