2185861

Information

• Patent Grant
• 2185861

• References
• Source

• Patent Number

  2,185,861

• Date Filed

  Not available

• Date Issued

  Tuesday, January 2, 1940
  85 years ago

• CPC

  • B60L15/12 - with circuits controlled by relays or contactors
  • B60L2200/26 - Rail vehicles
  • Y02T10/645 - Control strategies for dc machines

• US Classifications

  • 318 - Electricity: motive power systems