2915807

Information

• Patent Grant
• 2915807

• References
• Source

• Patent Number

  2,915,807

• Date Filed

  Not available

• Date Issued

  Tuesday, December 8, 1959
  65 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

  • 445 - Electric lamp or space discharge component or device manufacturing