820488

Information

• Patent Grant
• 820488

• References
• Source

• Patent Number

  820,488

• Date Filed

  Not available

• Date Issued

  Tuesday, May 15, 1906
  118 years ago

• CPC

  • E01H8/12 - specially adapted to grooved rails, flange-ways, or like parts of the permanent way

• US Classifications

  • 104 - Railways
  • 037 - Excavating