Patent · US Expired

Welding helmet

USD365666S · kind S · design

44Cited by
3References
1Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 18, 1993
Grant dateDec 26, 1995
Priority date
Expiry dateDec 26, 2009

Classification

  • Technology area (CPC —)General

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