3762172

Information

• Patent Grant
• 3762172

• References
• Source

• Patent Number

  3,762,172

• Date Filed

  Not available

• Date Issued

  Tuesday, October 2, 1973
  51 years ago

• CPC

  • E21D17/086 - or articulated type
  • Y10T403/32409 - Members locked in axial alignment

• US Classifications

  • 405 - Hydraulic and earth engineering
  • 403 - Joints and connections