Patent · US Expired

Earphone

USD590375S1 · kind S1 · design

74Cited by
22References
1Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 25, 2008
Grant dateApr 14, 2009
Priority date
Expiry dateApr 14, 2023

Classification

  • Technology area (CPC —)General

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