1756682

Information

• Patent Grant
• 1756682

• References
• Source

• Patent Number

  1,756,682

• Date Filed

  Not available

• Date Issued

  Tuesday, April 29, 1930
  94 years ago

• CPC

  • H01J13/12 - Positioning or moving the cathode spot on the surface of the pool
  • H01J2893/008 - Means for stabilising the cathodic spot

• US Classifications

  • 313 - Electric lamp and discharge devices