2222669

Information

• Patent Grant
• 2222669

• References
• Source

• Patent Number

  2,222,669

• Date Filed

  Not available

• Date Issued

  Tuesday, November 26, 1940
  85 years ago

• CPC

  • H01J5/46 - Leading-in conductors
  • H01J19/28 - Non-electron-emitting electrodes Screens
  • H01J2893/0011 - Non-emitting electrodes

• US Classifications

  • 313 - Electric lamp and discharge devices