2591474

Information

• Patent Grant
• 2591474

• References
• Source

• Patent Number

  2,591,474

• Date Filed

  Not available

• Date Issued

  Tuesday, April 1, 1952
  72 years ago

• CPC

  • H01J17/06 - Cathodes
  • H01J17/40 - with one cathode and one anode
  • H01J2893/0067 - Electrode assembly without control electrodes

• US Classifications

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