Patent · US Expired

Grid for an electronic tube

US3995188A · kind A · utility

3Cited by
6References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 24, 1975
Grant dateNov 30, 1976
Priority date
Expiry dateJun 24, 1995

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01J2893/0017
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A cylindrical grid for an electronic tube, a triode or tetrode, of high-power design. It is constituted by a mesh-type structure of pyrolytic graphite, the meshes being substantially of equilateral triangular shape in all cases.

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