2680807

Information

• Patent Grant
• 2680807

• References
• Source

• Patent Number

  2,680,807

• Date Filed

  Not available

• Date Issued

  Tuesday, June 8, 1954
  70 years ago

• CPC

  • H01J17/02 - Details

• US Classifications

  • 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems
  • 073 - Measuring and testing
  • 307 - Electrical transmission or interconnection systems
  • 313 - Electric lamp and discharge devices
  • 315 - Electric lamp and discharge devices: systems