Patent · US Expired

Welding machine

USD520038S1 · kind S1 · design

51Cited by
3References
1Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 2, 2004
Grant dateMay 2, 2006
Priority date
Expiry dateMay 2, 2020

Classification

  • Technology area (CPC —)General

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