2738081

Information

• Patent Grant
• 2738081

• References
• Source

• Patent Number

  2,738,081

• Date Filed

  Not available

• Date Issued

  Tuesday, March 13, 1956
  69 years ago

• CPC

  • E21D11/03 - using timber- setting machines

• US Classifications

  • 414 - Material or article handling
  • 173 - Tool driving or impacting
  • 175 - Boring or penetrating the earth