2921995

Information

• Patent Grant
• 2921995

• References
• Source

• Patent Number

  2,921,995

• Date Filed

  Not available

• Date Issued

  Tuesday, January 19, 1960
  65 years ago

• CPC

  • H01H33/161 - Variable impedances
  • H01C10/50 - structurally combined with switching arrangements
  • H01H21/58 - Change-over switches without stable intermediate position

• US Classifications

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