2407905

Information

• Patent Grant
• 2407905

• References
• Source

• Patent Number

  2,407,905

• Date Filed

  Not available

• Date Issued

  Tuesday, September 17, 1946
  78 years ago

• CPC

  • H01J31/34 - having regulation of screen potential at cathode potential

• US Classifications

  • 348 - Television
  • 313 - Electric lamp and discharge devices