Patent · US Expired

Hydrometer/fluid level sensor

US7228737B2 · kind B2 · utility

1Cited by
10References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 12, 2005
Grant dateJun 12, 2007
Priority date
Expiry dateSep 14, 2025

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02E60/10
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A light transmissive body for a fluid condition indicator has a substantial length shaped as a cruciform in transverse cross-section.

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