2278489

Information

• Patent Grant
• 2278489

• References
• Source

• Patent Number

  2,278,489

• Date Filed

  Not available

• Date Issued

  Tuesday, April 7, 1942
  82 years ago

• CPC

  • H02K21/22 - magnet rotating around armature
  • H02K21/30 - having an annular armature core with salient poles

• US Classifications

  • 310 - Electrical generator or motor structure