276390

Information

• Patent Grant
• 276390

• References
• Source

• Patent Number

  276,390

• Date Filed

  Not available

• Date Issued

  Tuesday, April 24, 1883
  141 years ago

• CPC

  • H02M3/40 - wherein the parts are rotating and collectors co-operate with brushes or rollers

• US Classifications

  • 363 - Electric power conversion systems