2717789

Information

• Patent Grant
• 2717789

• References
• Source

• Patent Number

  2,717,789

• Date Filed

  Not available

• Date Issued

  Tuesday, September 13, 1955
  70 years ago

• CPC

  • E21B17/043 - with locking means
  • Y10S411/934 - Side locked

• US Classifications

  • 285 - Pipe joints or couplings
  • 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener