3617790

Information

• Patent Grant
• 3617790

• References
• Source

• Patent Number

  3,617,790

• Date Filed

  Not available

• Date Issued

  Tuesday, November 2, 1971
  53 years ago

• CPC

  • H01J31/205 - with three electron beams in delta configuration

• US Classifications

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