3683235

Information

• Patent Grant
• 3683235

• References
• Source

• Patent Number

  3,683,235

• Date Filed

  Not available

• Date Issued

  Tuesday, August 8, 1972
  52 years ago

• CPC

  • H01J23/083 - Electrostatic focusing arrangements
  • H01J25/20 - having special arrangements in the space between resonators

• US Classifications

  • 315 - Electric lamp and discharge devices: systems