2855224

Information

• Patent Grant
• 2855224

• References
• Source

• Patent Number

  2,855,224

• Date Filed

  Not available

• Date Issued

  Tuesday, October 7, 1958
  67 years ago

• CPC

  • F16L15/001 - with conical threads
  • E21B17/042 - threaded
  • Y10T74/20408 - Constant tension sustaining
  • Y10T74/20414 - Hydraulic control

• US Classifications

  • 285 - Pipe joints or couplings
  • 074 - Machine element or mechanism