2457517

Information

• Patent Grant
• 2457517

• References
• Source

• Patent Number

  2,457,517

• Date Filed

  Not available

• Date Issued

  Tuesday, December 28, 1948
  75 years ago

• CPC

  • H02K27/12 - having multi-phase operation

• US Classifications

  • 318 - Electricity: motive power systems