2806969

Information

• Patent Grant
• 2806969

• References
• Source

• Patent Number

  2,806,969

• Date Filed

  Not available

• Date Issued

  Tuesday, September 17, 1957
  67 years ago

• CPC

  • H01J29/187 - screens with more than one luminescent material (as mixtures for the treatment of the screens)
  • H01J9/2274 - Light sources particularly adapted therefor
  • H01J29/182 - acting upon the lighting-up of the luminescent material other than by the composition of the luminescent material
  • 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