Patent · US Expired

Analytical instrument for testing parameters of pool water

USD335464S · kind S · design

4Cited by
8References
1Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 24, 1990
Grant dateMay 11, 1993
Priority date
Expiry dateMay 11, 2007

Classification

  • Technology area (CPC —)General

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