1990029

Information

• Patent Grant
• 1990029

• References
• Source

• Patent Number

  1,990,029

• Date Filed

  Not available

• Date Issued

  Tuesday, February 5, 1935
  90 years ago

• CPC

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

• US Classifications

  • 037 - Excavating
  • 104 - Railways