Patent · US Expired

Microphone

USD538793S1 · kind S1 · design

10Cited by
10References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 12, 2005
Grant dateMar 20, 2007
Priority date
Expiry dateMar 20, 2021

Classification

  • Technology area (CPC —)General

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