Patent · US Expired

Washing device for test tubes

USD287773S · kind S · design

1Cited by
3References
1Claims
0Family size

Assignee

Inventor

Key dates

Filing dateNov 28, 1983
Grant dateJan 13, 1987
Priority date
Expiry dateJan 13, 2001

Classification

  • Technology area (CPC —)General

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