3575446

Information

• Patent Grant
• 3575446

• References
• Source

• Patent Number

  3,575,446

• Date Filed

  Not available

• Date Issued

  Tuesday, April 20, 1971
  54 years ago

• CPC

  • F16L37/252 - the male part having lugs on its periphery penetrating in the corresponding slots provided in the female part
  • F16B7/105 - locking in discrete positions
  • Y10S411/948 - Longitudinal key

• US Classifications

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