2669675

Information

• Patent Grant
• 2669675

• References
• Source

• Patent Number

  2,669,675

• Date Filed

  Not available

• Date Issued

  Tuesday, February 16, 1954
  71 years ago

• CPC

  • H04N9/16 - using cathode ray tubes
  • H01J9/14 - of non-emitting electrodes
  • H01J19/00 - Details of vacuum tubes of the types covered by group H01J21/00
  • H01J29/806 - Electron lens mosaics
  • H01J2893/0022 - Manufacture
  • H01J2893/0024 - Planar grids

• US Classifications

  • 315 - Electric lamp and discharge devices: systems
  • 313 - Electric lamp and discharge devices
  • 348 - Television