Patent · US Expired

Material for electrical devices having a flexible member

US4420663A · kind A · utility

3Cited by
7References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 8, 1980
Grant dateDec 13, 1983
Priority date
Expiry dateDec 8, 2000

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH05K1/095
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

This invention relates to flexible materials for use in electrical devices, such as membrane switches. The flexible component of the device is formed of paper.

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