2489897

Information

• Patent Grant
• 2489897

• References
• Source

• Patent Number

  2,489,897

• Date Filed

  Not available

• Date Issued

  Tuesday, November 29, 1949
  75 years ago

• CPC

  • H02P25/12 - with shiftable brushes
  • H02K27/16 - in shunt connection with stator feeding

• US Classifications

  • 318 - Electricity: motive power systems