Patent · US Expired

Anti-laser protective spectacles

USD333312S · kind S · design

2Cited by
9References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 20, 1990
Grant dateFeb 16, 1993
Priority date
Expiry dateFeb 16, 2007

Classification

  • Technology area (CPC —)General

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