2708104

Information

• Patent Grant
• 2708104

• References
• Source

• Patent Number

  2,708,104

• Date Filed

  Not available

• Date Issued

  Tuesday, May 10, 1955
  69 years ago

• CPC

  • E21B10/48 - the bit being of core type
  • E21B10/605 - the bit being a core-bit
  • E21B25/12 - of the sliding wedge type

• US Classifications

  • 175 - Boring or penetrating the earth