1893179

Information

• Patent Grant
• 1893179

• References
• Source

• Patent Number

  1,893,179

• Date Filed

  Not available

• Date Issued

  Tuesday, January 3, 1933
  92 years ago

• CPC

  • H02H3/427 - using induction relays

• US Classifications

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