Patent · US Expired

Headset

USD491163S1 · kind S1 · design

215Cited by
12References
1Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 20, 2002
Grant dateJun 8, 2004
Priority date
Expiry dateJun 8, 2018

Classification

  • Technology area (CPC —)General

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