2053715

Information

• Patent Grant
• 2053715

• References
• Source

• Patent Number

  2,053,715

• Date Filed

  Not available

• Date Issued

  Tuesday, September 8, 1936
  88 years ago

• CPC

  • E21B11/02 - Boring rams
  • E21B1/02 - Surface drives for percussion drilling

• US Classifications

  • 175 - Boring or penetrating the earth
  • 173 - Tool driving or impacting