1973675

Information

• Patent Grant
• 1973675

• References
• Source

• Patent Number

  1,973,675

• Date Filed

  Not available

• Date Issued

  Tuesday, September 11, 1934
  90 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

  • 313 - Electric lamp and discharge devices