Patent · US Expired

Briefcase microfiche reader

USD267251S · kind S · design

14Cited by
2References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 4, 1980
Grant dateDec 14, 1982
Priority date
Expiry dateDec 14, 1996

Classification

  • Technology area (CPC —)General

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