Patent · US Expired

Sample test card for a biological analyzer

USD320280S · kind S · design

6Cited by
3References
1Claims
0Family size

Assignee

Inventor

Key dates

Filing dateFeb 24, 1989
Grant dateSep 24, 1991
Priority date
Expiry dateSep 24, 2005

Classification

  • Technology area (CPC —)General

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