1067172

Information

• Patent Grant
• 1067172

• References
• Source

• Patent Number

  1,067,172

• Date Filed

  Not available

• Date Issued

  Tuesday, July 8, 1913
  112 years ago

• CPC

  • F16L37/565 - Concentric pipes
  • F16L25/0009 - Joints for pipes with a square or rectangular cross-section
  • F16L37/084 - combined with automatic locking
  • F23J13/025 - composed of concentric elements
  • F23J13/04 - Joints Connections
  • F23J2213/202 - between duct or stack sections
  • F23J2900/13023 - Ducts with non-circular cross-section

• US Classifications

  • 285 - Pipe joints or couplings
  • 138 - Pipes and tubular conduits