1431393

Information

• Patent Grant
• 1431393

• References
• Source

• Patent Number

  1,431,393

• Date Filed

  Not available

• Date Issued

  Tuesday, October 10, 1922
  101 years ago

• CPC

  • H01T9/00 - Spark gaps specially adapted for generating oscillations

• US Classifications

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