2291973

Information

• Patent Grant
• 2291973

• References
• Source

• Patent Number

  2,291,973

• Date Filed

  Not available

• Date Issued

  Tuesday, August 4, 1942
  82 years ago

• CPC

  • H01J13/50 - Tubes having a single main anode
  • H01J13/48 - Circuit arrangements not adapted to a particular application of the tube and not otherwise provided for
  • H01J19/62 - Leading-in conductors
  • H01J2893/0088 - Tubes with at least a solid principal cathode and solid anodes

• US Classifications

  • 313 - Electric lamp and discharge devices
  • 174 - Electricity: conductors and insulators
  • 220 - Receptacles