Patent · US Expired

Loudspeaker

USD638400S1 · kind S1 · design

32Cited by
6References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 19, 2010
Grant dateMay 24, 2011
Priority date
Expiry dateMay 24, 2025

Classification

  • Technology area (CPC —)General

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