Patent · US Expired

Optically stored data card

USD305887S · kind S · design

125Cited by
3References
1Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 24, 1988
Grant dateFeb 6, 1990
Priority date
Expiry dateFeb 6, 2004

Classification

  • Technology area (CPC —)General

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