2688713

Information

• Patent Grant
• 2688713

• References
• Source

• Patent Number

  2,688,713

• Date Filed

  Not available

• Date Issued

  Tuesday, September 7, 1954
  70 years ago

• CPC

  • H01J3/025 - Electron guns using a discharge in a gas or a vapour as electron source
  • H01J2893/0061 - Tubes with discharge used as electron source

• US Classifications

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