Patent · US Expired

Home theater headphone

USD638397S1 · kind S1 · design

99Cited by
13References
1Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 4, 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.