2115147

Information

• Patent Grant
• 2115147

• References
• Source

• Patent Number

  2,115,147

• Date Filed

  Not available

• Date Issued

  Tuesday, April 26, 1938
  87 years ago

• CPC

  • H01J17/04 - Electrodes Screens
  • H01J17/58 - with more than one cathode or anode

• US Classifications

  • 313 - Electric lamp and discharge devices
  • 174 - Electricity: conductors and insulators
  • 252 - Compositions
  • 445 - Electric lamp or space discharge component or device manufacturing