2282229

Information

• Patent Grant
• 2282229

• References
• Source

• Patent Number

  2,282,229

• Date Filed

  Not available

• Date Issued

  Tuesday, May 5, 1942
  83 years ago

• CPC

  • H01J13/20 - Control electrodes
  • H01J2893/0092 - Anodic screens or grids

• US Classifications

  • 313 - Electric lamp and discharge devices