1545433

Information

• Patent Grant
• 1545433

• References
• Source

• Patent Number

  1,545,433

• Date Filed

  Not available

• Date Issued

  Tuesday, July 7, 1925
  99 years ago

• CPC

  • H02P25/12 - with shiftable brushes

• US Classifications

  • 318 - Electricity: motive power systems
  • 246 - Railway switches and signals
  • 310 - Electrical generator or motor structure