Patent · US Expired

Earphone

USD564495S1 · kind S1 · design

181Cited by
10References
1Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJan 24, 2007
Grant dateMar 18, 2008
Priority date
Expiry dateMar 18, 2022

Classification

  • Technology area (CPC —)General

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