2416720

Information

• Patent Grant
• 2416720

• References
• Source

• Patent Number

  2,416,720

• Date Filed

  Not available

• Date Issued

  Tuesday, March 4, 1947
  77 years ago

• CPC

  • H01J29/45 - exhibiting internal electric effects caused by electromagnetic radiation
  • H01J9/233 - Manufacture of photo-electric screens or charge-storage screens
  • H01J29/395 - charge-storage grids exhibiting triode effect
  • H01J31/40 - having grid-like image screen through which the electron ray passes and by which the ray is influenced before striking the output electrode

• US Classifications

  • 315 - Electric lamp and discharge devices: systems
  • 313 - Electric lamp and discharge devices
  • 427 - Coating processes