2783407

Information

• Patent Grant
• 2783407

• References
• Source

• Patent Number

  2,783,407

• Date Filed

  Not available

• Date Issued

  Tuesday, February 26, 1957
  67 years ago

• CPC

  • H05B33/00 - Electroluminescent light sources
  • F21K2/00 - Light sources using luminescence
  • H01J63/00 - Cathode-ray or electron-stream lamps
  • H01J2893/0031 - Tubes with material luminescing under electron bombardment

• US Classifications

  • 313 - Electric lamp and discharge devices