2137738

Information

• Patent Grant
• 2137738

• References
• Source

• Patent Number

  2,137,738

• Date Filed

  Not available

• Date Issued

  Tuesday, November 22, 1938
  86 years ago

• CPC

  • H02K23/60 - Motors or generators having a rotating armature and a rotating excitation field

• US Classifications

  • 310 - Electrical generator or motor structure
  • 290 - Prime-mover dynamo plants