3802757

Information

• Patent Grant
• 3802757

• References
• Source

• Patent Number

  3,802,757

• Date Filed

  Not available

• Date Issued

  Tuesday, April 9, 1974
  50 years ago

• CPC

  • H01J29/94 - Selection of substances for gas fillings Means for obtaining or maintaining the desired pressure within the tube
  • H01J29/07 - Shadow masks for colour television tubes
  • H01J29/88 - provided with coatings on the walls thereof Selection of materials for the coatings
  • H01J31/201 - using a colour-selection electrode
  • H01J2229/0777 - Coatings
  • H01J2229/882 - having particular electrical resistive or conductive properties

• US Classifications

  • 445 - Electric lamp or space discharge component or device manufacturing
  • 313 - Electric lamp and discharge devices