1844490

Information

• Patent Grant
• 1844490

• References
• Source

• Patent Number

  1,844,490

• Date Filed

  Not available

• Date Issued

  Tuesday, February 9, 1932
  93 years ago

• CPC

  • H01H35/2621 - the bias being magnetic

• US Classifications

  • 335 - Electricity: magnetically operated switches, magnets, and electromagnets
  • 200 - Electricity: circuit makers and breakers