3621171

Information

• Patent Grant
• 3621171

• References
• Source

• Patent Number

  3,621,171

• Date Filed

  Not available

• Date Issued

  Tuesday, November 16, 1971
  53 years ago

• CPC

  • H01H33/882 - the movement being assisted by accelerating coils

• US Classifications

  • 218 - High-voltage switches with arc preventing or extinguishing devices
  • 335 - Electricity: magnetically operated switches, magnets, and electromagnets