3609831

Information

• Patent Grant
• 3609831

• References
• Source

• Patent Number

  3,609,831

• Date Filed

  Not available

• Date Issued

  Tuesday, October 5, 1971
  53 years ago

• CPC

  • H01J29/025 - Mounting or supporting arrangements for grids
  • H01J9/14 - of non-emitting electrodes
  • H01J19/00 - Details of vacuum tubes of the types covered by group H01J21/00
  • H01J19/38 - Control electrodes
  • H01J2893/0016 - Planar grids
  • H01J2893/0024 - Planar grids

• US Classifications

  • 445 - Electric lamp or space discharge component or device manufacturing