Patent · US Expired

Loudspeaker

USD537070S1 · kind S1 · design

33Cited by
7References
1Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 23, 2005
Grant dateFeb 20, 2007
Priority date
Expiry dateFeb 20, 2021

Classification

  • Technology area (CPC —)General

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