3140419

Information

• Patent Grant
• 3140419

• References
• Source

• Patent Number

  3,140,419

• Date Filed

  Not available

• Date Issued

  Tuesday, July 7, 1964
  60 years ago

• CPC

  • H01J19/28 - Non-electron-emitting electrodes Screens
  • H01J2893/0013 - Sealed electrodes

• US Classifications

  • 313 - Electric lamp and discharge devices