2472923

Information

• Patent Grant
• 2472923

• References
• Source

• Patent Number

  2,472,923

• Date Filed

  Not available

• Date Issued

  Tuesday, June 14, 1949
  75 years ago

• CPC

  • B23K9/0677 - Ionization of the arc gap by means of a contact piece disposed between the electrodes

• US Classifications

  • 219 - Electric heating
  • 313 - Electric lamp and discharge devices
  • 315 - Electric lamp and discharge devices: systems