Patent · US Expired

Pair of earphones

USD554109S1 · kind S1 · design

258Cited by
13References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 17, 2006
Grant dateOct 30, 2007
Priority date
Expiry dateOct 30, 2021

Classification

  • Technology area (CPC —)General

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