2884981

Information

• Patent Grant
• 2884981

• References
• Source

• Patent Number

  2,884,981

• Date Filed

  Not available

• Date Issued

  Tuesday, May 5, 1959
  65 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
  • Y10S411/953 - Washer-carried pawl
  • Y10S411/961 - Pawl and ratchet

• US Classifications

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