3649865

Information

• Patent Grant
• 3649865

• References
• Source

• Patent Number

  3,649,865

• Date Filed

  Not available

• Date Issued

  Tuesday, March 14, 1972
  53 years ago

• CPC

  • H01J9/14 - of non-emitting electrodes
  • H01J19/38 - Control electrodes
  • H01J2893/0016 - Planar grids

• US Classifications

  • 313 - Electric lamp and discharge devices
  • 205 - Electrolysis: processes, compositions used therein, and methods of preparing the compositions