Patent · US Expired

Modular flip up helmet

USD523993S1 · kind S1 · design

28Cited by
6References
1Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJan 28, 2005
Grant dateJun 27, 2006
Priority date
Expiry dateJun 27, 2020

Classification

  • Technology area (CPC —)General

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