Patent · US Expired

Rear portion of a helmet

USD420468S · kind S · design

11Cited by
10References
1Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 10, 1998
Grant dateFeb 8, 2000
Priority date
Expiry dateFeb 8, 2014

Classification

  • Technology area (CPC —)General

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