3405306

Information

• Patent Grant
• 3405306

• References
• Source

• Patent Number

  3,405,306

• Date Filed

  Not available

• Date Issued

  Tuesday, October 8, 1968
  56 years ago

• CPC

  • H01J19/40 - Screens for shielding
  • H01J19/00 - Details of vacuum tubes of the types covered by group H01J21/00

• US Classifications

  • 313 - Electric lamp and discharge devices