Patent · US Expired

Helmet rear portion

USD500178S1 · kind S1 · design

16Cited by
13References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 7, 2003
Grant dateDec 21, 2004
Priority date
Expiry dateDec 21, 2018

Classification

  • Technology area (CPC —)General

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