1728439

Information

• Patent Grant
• 1728439

• References
• Source

• Patent Number

  1,728,439

• Date Filed

  Not available

• Date Issued

  Tuesday, September 17, 1929
  95 years ago

• CPC

  • H02K27/06 - with a single or multiple short-circuited commutator

• US Classifications

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