3849821

Information

• Patent Grant
• 3849821

• References
• Source

• Patent Number

  3,849,821

• Date Filed

  Not available

• Date Issued

  Tuesday, November 26, 1974
  50 years ago

• CPC

  • E02D29/067 - Floating tunnels Submerged bridge-like tunnels
  • E01D15/14 - Floating bridges

• US Classifications

  • 014 - Bridges
  • 405 - Hydraulic and earth engineering