3249681

Information

• Patent Grant
• 3249681

• References
• Source

• Patent Number

  3,249,681

• Date Filed

  Not available

• Date Issued

  Tuesday, May 3, 1966
  59 years ago

• CPC

  • H01T19/02 - Corona rings
  • H01J17/00 - Gas-filled discharge tubes with solid cathode
  • H01J61/14 - having one or more carbon compounds as the principal constituents
  • H01J2893/0059 - Arc discharge tubes

• US Classifications

  • 174 - Electricity: conductors and insulators
  • 218 - High-voltage switches with arc preventing or extinguishing devices
  • 252 - Compositions