2955221

Information

• Patent Grant
• 2955221

• References
• Source

• Patent Number

  2,955,221

• Date Filed

  Not available

• Date Issued

  Tuesday, October 4, 1960
  64 years ago

• CPC

  • H01J63/06 - Lamps with luminescent screen excited by the ray or stream
  • 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
  • 315 - Electric lamp and discharge devices: systems