2219457

Information

• Patent Grant
• 2219457

• References
• Source

• Patent Number

  2,219,457

• Date Filed

  Not available

• Date Issued

  Tuesday, October 29, 1940
  84 years ago

• CPC

  • H02K19/04 - for single-phase current

• US Classifications

  • 310 - Electrical generator or motor structure