3307068

Information

• Patent Grant
• 3307068

• References
• Source

• Patent Number

  3,307,068

• Date Filed

  Not available

• Date Issued

  Tuesday, February 28, 1967
  57 years ago

• CPC

  • H01J25/52 - with an electron space having a shape that does not prevent any electron from moving completely around the cathode or guide electrode

• US Classifications

  • 315 - Electric lamp and discharge devices: systems
  • 174 - Electricity: conductors and insulators
  • 313 - Electric lamp and discharge devices