3209197

Information

• Patent Grant
• 3209197

• References
• Source

• Patent Number

  3,209,197

• Date Filed

  Not available

• Date Issued

  Tuesday, September 28, 1965
  59 years ago

• CPC

  • H01J17/066 - Cold cathodes
  • H01J17/40 - with one cathode and one anode
  • H01J17/44 - having one or more control electrodes
  • H01J2893/0066 - Construction, material, support, protection and temperature regulation of electrodes Electrode cups
  • H01J2893/0068 - electrode assembly with control electrodes

• US Classifications

  • 313 - Electric lamp and discharge devices