3201640

Information

• Patent Grant
• 3201640

• References
• Source

• Patent Number

  3,201,640

• Date Filed

  Not available

• Date Issued

  Tuesday, August 17, 1965
  59 years ago

• CPC

  • H01J29/481 - Electron guns using field-emission, photo-emission, or secondary-emission electron source
  • H01J29/482 - Electron guns using electron multiplication

• US Classifications

  • 315 - Electric lamp and discharge devices: systems
  • 313 - Electric lamp and discharge devices
  • 333 - Wave transmission lines and networks