Patent · US Expired

Earphone

USD652823S1 · kind S1 · design

131Cited by
20References
1Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 15, 2011
Grant dateJan 24, 2012
Priority date
Expiry dateJan 24, 2026

Classification

  • Technology area (CPC —)General

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