2904715

Information

• Patent Grant
• 2904715

• References
• Source

• Patent Number

  2,904,715

• Date Filed

  Not available

• Date Issued

  Tuesday, September 15, 1959
  65 years ago

• CPC

  • H01J17/38 - Cold-cathode tubes
  • H01J2893/0065 - Electrode systems

• US Classifications

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