2561837

Information

• Patent Grant
• 2561837

• References
• Source

• Patent Number

  2,561,837

• Date Filed

  Not available

• Date Issued

  Tuesday, July 24, 1951
  73 years ago

• CPC

  • H02P25/12 - with shiftable brushes

• US Classifications

  • 318 - Electricity: motive power systems
  • 101 - Printing
  • 388 - Electricity: motor control systems