2821643

Information

• Patent Grant
• 2821643

• References
• Source

• Patent Number

  2,821,643

• Date Filed

  Not available

• Date Issued

  Tuesday, January 28, 1958
  66 years ago

• CPC

  • H01J31/64 - on opposite sides of screen
  • Y10S313/07 - Bombardment induced conductivity

• US Classifications

  • 313 - Electric lamp and discharge devices
  • 250 - Radiant energy
  • 315 - Electric lamp and discharge devices: systems