Patent · US Expired

Earbud with curved surfaces

USD656481S1 · kind S1 · design

99Cited by
20References
1Claims
0Family size

Assignee

Inventor

Key dates

Filing dateFeb 1, 2011
Grant dateMar 27, 2012
Priority date
Expiry dateMar 27, 2026

Classification

  • Technology area (CPC —)General

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