3404301

Information

• Patent Grant
• 3404301

• References
• Source

• Patent Number

  3,404,301

• Date Filed

  Not available

• Date Issued

  Tuesday, October 1, 1968
  56 years ago

• CPC

  • H01J13/20 - Control electrodes
  • H01J2893/0092 - Anodic screens or grids

• US Classifications

  • 313 - Electric lamp and discharge devices