Patent · US Expired

Earphone

USD494956S1 · kind S1 · design

16Cited by
7References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 26, 2003
Grant dateAug 24, 2004
Priority date
Expiry dateAug 24, 2018

Classification

  • Technology area (CPC —)General

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