3717786

Information

• Patent Grant
• 3717786

• References
• Source

• Patent Number

  3,717,786

• Date Filed

  Not available

• Date Issued

  Tuesday, February 20, 1973
  51 years ago

• CPC

  • H01J31/122 - Direct viewing storage tubes without storage grid

• US Classifications

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