Patent · US Expired

Microphone

USD487739S1 · kind S1 · design

10Cited by
7References
1Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 8, 2003
Grant dateMar 23, 2004
Priority date
Expiry dateMar 23, 2018

Classification

  • Technology area (CPC —)General

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