1791149

Information

• Patent Grant
• 1791149

• References
• Source

• Patent Number

  1,791,149

• Date Filed

  Not available

• Date Issued

  Tuesday, February 3, 1931
  94 years ago

• CPC

  • H02K25/00 - Dc interrupter motors or generators
  • Y10S388/928 - Which controls position of commutator brushes

• US Classifications

  • 388 - Electricity: motor control systems
  • 200 - Electricity: circuit makers and breakers
  • 310 - Electrical generator or motor structure