1621950

Information

• Patent Grant
• 1621950

• References
• Source

• Patent Number

  1,621,950

• Date Filed

  Not available

• Date Issued

  Tuesday, March 22, 1927
  97 years ago

• CPC

  • F16L27/108 - the sleeve having the form of a bellows with only one corrugation
  • F16L25/0018 - Abutment joints
  • F16L51/005 - for concrete pipe-lines

• US Classifications

  • 285 - Pipe joints or couplings