2728006

Information

• Patent Grant
• 2728006

• References
• Source

• Patent Number

  2,728,006

• Date Filed

  Not available

• Date Issued

  Tuesday, December 20, 1955
  69 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

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