2899576

Information

• Patent Grant
• 2899576

• References
• Source

• Patent Number

  2,899,576

• Date Filed

  Not available

• Date Issued

  Tuesday, August 11, 1959
  65 years ago

• CPC

  • H01J9/12 - of photo-emissive cathodes of secondary-emission electrodes
  • H01J31/503 - with an electromagnetic electron-optic system

• US Classifications

  • 313 - Electric lamp and discharge devices
  • 250 - Radiant energy
  • 427 - Coating processes
  • 445 - Electric lamp or space discharge component or device manufacturing