1418518

Information

• Patent Grant
• 1418518

• References
• Source

• Patent Number

  1,418,518

• Date Filed

  Not available

• Date Issued

  Tuesday, June 6, 1922
  102 years ago

• CPC

  • H01T7/00 - Rotary spark gaps

• US Classifications

  • 313 - Electric lamp and discharge devices
  • 220 - Receptacles