1742957

Information

• Patent Grant
• 1742957

• References
• Source

• Patent Number

  1,742,957

• Date Filed

  Not available

• Date Issued

  Tuesday, January 7, 1930
  95 years ago

• CPC

  • H02K17/38 - with a commutator machine

• US Classifications

  • 322 - Electricity: single generator systems
  • 310 - Electrical generator or motor structure
  • 318 - Electricity: motive power systems