3479549

Information

• Patent Grant
• 3479549

• References
• Source

• Patent Number

  3,479,549

• Date Filed

  Not available

• Date Issued

  Tuesday, November 18, 1969
  54 years ago

• CPC

  • H01J17/04 - Electrodes Screens
  • H01J17/56 - for preventing and then permitting ignition, but thereafter having no control

• US Classifications

  • 313 - Electric lamp and discharge devices