Patent · US Expired

Keyboard

USD439903S · kind S · design

25Cited by
10References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 31, 2000
Grant dateApr 3, 2001
Priority date
Expiry dateApr 3, 2015

Classification

  • Technology area (CPC —)General

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