Patent · US Expired

Side portion of a welding helmet

USD532163S1 · kind S1 · design

14Cited by
22References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 12, 2004
Grant dateNov 14, 2006
Priority date
Expiry dateNov 14, 2020

Classification

  • Technology area (CPC —)General

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