3251312

Information

• Patent Grant
• 3251312

• References
• Source

• Patent Number

  3,251,312

• Date Filed

  Not available

• Date Issued

  Tuesday, May 17, 1966
  58 years ago

• CPC

  • B61K7/12 - electrically controlled
  • B60L3/08 - Means for preventing excessive speed of the vehicle
  • B60L15/12 - with circuits controlled by relays or contactors
  • B60L2200/26 - Rail vehicles
  • Y02T10/645 - Control strategies for dc machines

• US Classifications

  • 105 - Railway rolling stock
  • 180 - Motor vehicles
  • 246 - Railway switches and signals
  • 340 - Communications: electrical
  • 361 - Electricity: electrical systems and devices