2134578

Information

• Patent Grant
• 2134578

• References
• Source

• Patent Number

  2,134,578

• Date Filed

  Not available

• Date Issued

  Tuesday, October 25, 1938
  86 years ago

• CPC

  • H01J13/26 - Seals between parts of vessels Seals for leading-in conductors Leading-in conductors
  • H01J13/50 - Tubes having a single main anode
  • H01J2893/0088 - Tubes with at least a solid principal cathode and solid anodes

• US Classifications

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