1783105

Information

• Patent Grant
• 1783105

• References
• Source

• Patent Number

  1,783,105

• Date Filed

  Not available

• Date Issued

  Tuesday, November 25, 1930
  94 years ago

• CPC

  • H02H3/407 - using induction relays

• US Classifications

  • 361 - Electricity: electrical systems and devices