2077840

Information

• Patent Grant
• 2077840

• References
• Source

• Patent Number

  2,077,840

• Date Filed

  Not available

• Date Issued

  Tuesday, April 20, 1937
  87 years ago

• CPC

  • G05F3/12 - being glow discharge tubes
  • H01J17/40 - with one cathode and one anode
  • H01J2893/0067 - Electrode assembly without control electrodes

• US Classifications

  • 313 - Electric lamp and discharge devices