3475040

Information

• Patent Grant
• 3475040

• References
• Source

• Patent Number

  3,475,040

• Date Filed

  Not available

• Date Issued

  Tuesday, October 28, 1969
  55 years ago

• CPC

  • F16L15/008 - with sealing rings
  • E21B17/043 - with locking means
  • Y10S411/924 - Coupled nut and bolt
  • Y10S411/926 - Positive lock

• US Classifications

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