1370869

Information

• Patent Grant
• 1370869

• References
• Source

• Patent Number

  1,370,869

• Date Filed

  Not available

• Date Issued

  Tuesday, March 8, 1921
  103 years ago

• CPC

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

• US Classifications

  • 037 - Excavating