Patent · US Expired

Earphone with microphone

USD508479S1 · kind S1 · design

75Cited by
21References
1Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 21, 2004
Grant dateAug 16, 2005
Priority date
Expiry dateAug 16, 2019

Classification

  • Technology area (CPC —)General

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