1747154

Information

• Patent Grant
• 1747154

• References
• Source

• Patent Number

  1,747,154

• Date Filed

  Not available

• Date Issued

  Tuesday, February 11, 1930
  94 years ago

• CPC

  • E01B27/107 - along between the tracks only

• US Classifications

  • 171 - Unearthing plants or buried objects
  • 037 - Excavating