2213547

Information

• Patent Grant
• 2213547

• References
• Source

• Patent Number

  2,213,547

• Date Filed

  Not available

• Date Issued

  Tuesday, September 3, 1940
  84 years ago

• CPC

  • H01J31/28 - with electron ray scanning the image screen
  • H01J31/32 - Tubes with image amplification section

• US Classifications

  • 348 - Television
  • 313 - Electric lamp and discharge devices
  • 315 - Electric lamp and discharge devices: systems