Patent · US Expired

Pair of audio ear bud headphones with extended curvature and angled insert

USD656129S1 · kind S1 · design

76Cited by
38References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 3, 2011
Grant dateMar 20, 2012
Priority date
Expiry dateMar 20, 2026

Classification

  • Technology area (CPC —)General

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