Patent · US Expired

Sample container

US4976923A · kind A · utility

37Cited by
10References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 12, 1989
Grant dateDec 11, 1990
Priority date
Expiry dateMay 12, 2009

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S436/81
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A fluid testing apparatus including a specimen cup and a cover having a reagent portion which is color sensitive to an analytical characteristic.

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