2168165

Information

• Patent Grant
• 2168165

• References
• Source

• Patent Number

  2,168,165

• Date Filed

  Not available

• Date Issued

  Tuesday, August 1, 1939
  85 years ago

• CPC

  • H01J43/025 - Circuits therefor
  • Y10T307/773 - Light, heat, vibratory or radiant energy

• US Classifications

  • 250 - Radiant energy
  • 307 - Electrical transmission or interconnection systems
  • 313 - Electric lamp and discharge devices
  • 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems
  • 361 - Electricity: electrical systems and devices