2802428

Information

• Patent Grant
• 2802428

• References
• Source

• Patent Number

  2,802,428

• Date Filed

  Not available

• Date Issued

  Tuesday, August 13, 1957
  67 years ago

• CPC

  • B61C15/12 - by reducing the driving power

• US Classifications

  • 105 - Railway rolling stock
  • 246 - Railway switches and signals
  • 291 - Track sanders
  • 318 - Electricity: motive power systems
  • 338 - Electrical resistors