1378192

Information

• Patent Grant
• 1378192

• References
• Source

• Patent Number

  1,378,192

• Date Filed

  Not available

• Date Issued

  Tuesday, May 17, 1921
  104 years ago

• CPC

  • B23K9/0671 - by means of brief contacts between the electrodes
  • B23K9/0734 - Stabilising of the arc power

• US Classifications

  • 315 - Electric lamp and discharge devices: systems
  • 219 - Electric heating
  • 307 - Electrical transmission or interconnection systems
  • 322 - Electricity: single generator systems