2356566

Information

• Patent Grant
• 2356566

• References
• Source

• Patent Number

  2,356,566

• Date Filed

  Not available

• Date Issued

  Tuesday, August 22, 1944
  80 years ago

• CPC

  • H01J19/40 - Screens for shielding
  • H01J17/54 - having one or more control electrodes

• US Classifications

  • 313 - Electric lamp and discharge devices