1113277

Information

• Patent Grant
• 1113277

• References
• Source

• Patent Number

  1,113,277

• Date Filed

  Not available

• Date Issued

  Tuesday, October 13, 1914
  110 years ago

• CPC

  • E21C49/02 - by excavating

• US Classifications

  • 037 - Excavating
  • 175 - Boring or penetrating the earth