Patent · US Expired

Welding lens assembly

USD353692S · kind S · design

11Cited by
8References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 1, 1993
Grant dateDec 20, 1994
Priority date
Expiry dateDec 20, 2008

Classification

  • Technology area (CPC —)General

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