3783213

Information

• Patent Grant
• 3783213

• References
• Source

• Patent Number

  3,783,213

• Date Filed

  Not available

• Date Issued

  Tuesday, January 1, 1974
  51 years ago

• CPC

  • H01H1/0203 - specially adapted for vacuum switches
  • H01H2001/0205 - Conditioning of the contact material through arcing during manufacturing

• US Classifications

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