3818163

Information

• Patent Grant
• 3818163

• References
• Source

• Patent Number

  3,818,163

• Date Filed

  Not available

• Date Issued

  Tuesday, June 18, 1974
  50 years ago

• CPC

  • H01H1/0206 - containing as major components Cu and Cr
  • C22C1/0475 - Impregnated alloys
  • H01H1/0203 - specially adapted for vacuum switches
  • H01J17/00 - Gas-filled discharge tubes with solid cathode
  • H01J2893/0059 - Arc discharge tubes

• US Classifications

  • 218 - High-voltage switches with arc preventing or extinguishing devices
  • 200 - Electricity: circuit makers and breakers