1381505

Information

• Patent Grant
• 1381505

• References
• Source

• Patent Number

  1,381,505

• Date Filed

  Not available

• Date Issued

  Tuesday, June 14, 1921
  103 years ago

• CPC

  • H02K19/04 - for single-phase current

• US Classifications

  • 310 - Electrical generator or motor structure