Patent · US Expired

Helmet

USD445218S · kind S · design

28Cited by
84References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 29, 1999
Grant dateJul 17, 2001
Priority date
Expiry dateJul 17, 2015

Classification

  • Technology area (CPC —)General

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