2003710

Information

• Patent Grant
• 2003710

• References
• Source

• Patent Number

  2,003,710

• Date Filed

  Not available

• Date Issued

  Tuesday, June 4, 1935
  90 years ago

• CPC

  • F16L15/001 - with conical threads
  • E21B17/00 - Drilling rods or pipes Flexible drill strings Kellies Drill collars Sucker rods; Cables Casings Tubings
  • E21B17/042 - threaded
  • Y10S29/043 - Upsetting and flanging tube end
  • Y10S29/049 - Work hardening with other step
  • Y10S285/916 - Molecular change

• US Classifications

  • 285 - Pipe joints or couplings
  • 029 - Metal working