2323142

Information

• Patent Grant
• 2323142

• References
• Source

• Patent Number

  2,323,142

• Date Filed

  Not available

• Date Issued

  Tuesday, June 29, 1943
  81 years ago

• CPC

  • 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
  • 252 - Compositions