47908

Information

• Patent Grant
• 47908

• References
• Source

• Patent Number

  47,908

• Date Filed

  Not available

• Date Issued

  Tuesday, May 23, 1865
  159 years ago

• CPC

  • E21C49/02 - by excavating

• US Classifications

  • 037 - Excavating
  • 044 - Fuel and related compositions