2766014

Information

• Patent Grant
• 2766014

• References
• Source

• Patent Number

  2,766,014

• Date Filed

  Not available

• Date Issued

  Tuesday, October 9, 1956
  68 years ago

• CPC

  • E21B7/008 - Drilling ice or a formation covered by ice
  • E21B11/005 - Hand operated drilling tools
  • F25C5/043 - Tools

• US Classifications

  • 175 - Boring or penetrating the earth