3489966

Information

• Patent Grant
• 3489966

• References
• Source

• Patent Number

  3,489,966

• Date Filed

  Not available

• Date Issued

  Tuesday, January 13, 1970
  55 years ago

• CPC

  • H04N9/16 - using cathode ray tubes
  • H01J29/02 - Electrodes Screens Mounting, supporting, spacing or insulating thereof
  • H01J29/025 - Mounting or supporting arrangements for grids
  • H01J29/28 - with protective, conductive or reflective layers
  • H01J29/861 - Vessels or containers characterised by the form or the structure thereof
  • H01J31/201 - using a colour-selection electrode
  • H01J31/203 - with more than one electron beam

• US Classifications

  • 313 - Electric lamp and discharge devices
  • 348 - Television