3429590

Information

• Patent Grant
• 3429590

• References
• Source

• Patent Number

  3,429,590

• Date Filed

  Not available

• Date Issued

  Tuesday, February 25, 1969
  55 years ago

• CPC

  • E21B17/043 - with locking means
  • Y10S411/94 - Radial key or gib
  • Y10S411/948 - Longitudinal key
  • Y10T403/7022 - Resilient

• US Classifications

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