3380180

Information

• Patent Grant
• 3380180

• References
• Source

• Patent Number

  3,380,180

• Date Filed

  Not available

• Date Issued

  Tuesday, April 30, 1968
  56 years ago

• CPC

  • E01B27/107 - along between the tracks only
  • E01B27/04 - Removing the ballast Machines therefor, whether or not additionally adapted for taking-up ballast

• US Classifications

  • 037 - Excavating