2678403

Information

• Patent Grant
• 2678403

• References
• Source

• Patent Number

  2,678,403

• Date Filed

  Not available

• Date Issued

  Tuesday, May 11, 1954
  71 years ago

• CPC

  • H01J17/56 - for preventing and then permitting ignition, but thereafter having no control
  • H01J17/066 - Cold cathodes
  • H01J17/40 - with one cathode and one anode
  • H01J17/46 - for preventing and then permitting ignition but thereafter having no control
  • H01J2893/0066 - Construction, material, support, protection and temperature regulation of electrodes Electrode cups
  • H01J2893/0067 - Electrode assembly without control electrodes

• US Classifications

  • 313 - Electric lamp and discharge devices