1401105

Information

• Patent Grant
• 1401105

• References
• Source

• Patent Number

  1,401,105

• Date Filed

  Not available

• Date Issued

  Tuesday, December 20, 1921
  103 years ago

• CPC

  • F16L13/113 - for concrete pipes
  • F16L51/005 - for concrete pipe-lines

• US Classifications

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