2431247

Information

• Patent Grant
• 2431247

• References
• Source

• Patent Number

  2,431,247

• Date Filed

  Not available

• Date Issued

  Tuesday, November 18, 1947
  77 years ago

• CPC

  • H01J13/12 - Positioning or moving the cathode spot on the surface of the pool
  • H01J2893/0079 - Means for limiting the cathodic spot movement

• US Classifications

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