Patent · US Expired

High voltage switching device

US4617542A · kind A · utility

6Cited by
2References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 2, 1984
Grant dateOct 14, 1986
Priority date
Expiry dateAug 2, 2004

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01H2050/025
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A switch having gold-plated contacts on which is formed a gold-mercury amalgam, at least the contacts being immersed in a totally fluorinated hydrocarbon fluid.

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