2491406

Information

• Patent Grant
• 2491406

• References
• Source

• Patent Number

  2,491,406

• Date Filed

  Not available

• Date Issued

  Tuesday, December 13, 1949
  75 years ago

• CPC

  • F16L29/04 - with a cut-off device in each of the two pipe ends, the cut-off devices being automatically opened when the coupling is applied
  • F16L19/005 - comprising locking means for the threaded member
  • Y10S411/949 - Rachet and bolt-carried pawl
  • Y10S411/963 - Yielding interlocking washer

• US Classifications

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