3744259

Information

• Patent Grant
• 3744259

• References
• Source

• Patent Number

  3,744,259

• Date Filed

  Not available

• Date Issued

  Tuesday, July 10, 1973
  51 years ago

• CPC

  • E02D29/067 - Floating tunnels Submerged bridge-like tunnels
  • F16L1/0246 - at a certain height off the ground
  • F16L1/026 - in or on a frozen surface
  • F16L1/032 - the pipes being continuous
  • Y10T29/49828 - Progressively advancing of work assembly station or assembled portion of work
  • Y10T29/49831 - Advancing station

• US Classifications

  • 405 - Hydraulic and earth engineering
  • 029 - Metal working
  • 414 - Material or article handling