3128102

Information

• Patent Grant
• 3128102

• References
• Source

• Patent Number

  3,128,102

• Date Filed

  Not available

• Date Issued

  Tuesday, April 7, 1964
  60 years ago

• CPC

  • E21B4/08 - impact being obtained by gravity only
  • Y10S285/922 - Safety and quick release for drill pipes

• US Classifications

  • 277 - Seal for a joint or juncture
  • 175 - Boring or penetrating the earth
  • 285 - Pipe joints or couplings