3229776

Information

• Patent Grant
• 3229776

• References
• Source

• Patent Number

  3,229,776

• Date Filed

  Not available

• Date Issued

  Tuesday, January 18, 1966
  58 years ago

• CPC

  • E21B4/14 - Fluid operated hammers
  • Y10S285/922 - Safety and quick release for drill pipes

• US Classifications

  • 173 - Tool driving or impacting
  • 285 - Pipe joints or couplings