2619325

Information

• Patent Grant
• 2619325

• References
• Source

• Patent Number

  2,619,325

• Date Filed

  Not available

• Date Issued

  Tuesday, November 25, 1952
  72 years ago

• CPC

  • E21B10/605 - the bit being a core-bit
  • E21B4/006 - Mechanical motion converting means
  • E21B4/02 - Fluid rotary type drives
  • E21B10/04 - with core destroying means
  • Y10T82/16459 - Fluid means for relative tool actuation

• US Classifications

  • 175 - Boring or penetrating the earth
  • 082 - Turning