2112040

Information

• Patent Grant
• 2112040

• References
• Source

• Patent Number

  2,112,040

• Date Filed

  Not available

• Date Issued

  Tuesday, March 22, 1938
  86 years ago

• CPC

  • H01J13/34 - Igniting arrangements
  • H01J13/26 - Seals between parts of vessels Seals for leading-in conductors Leading-in conductors
  • H01J13/48 - Circuit arrangements not adapted to a particular application of the tube and not otherwise provided for
  • H01J2893/0087 - Igniting means Cathode spot maintaining or extinguishing means

• US Classifications

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