3508405

Information

• Patent Grant
• 3508405

• References
• Source

• Patent Number

  3,508,405

• Date Filed

  Not available

• Date Issued

  Tuesday, April 28, 1970
  54 years ago

• CPC

  • E02B5/005 - Canals entirely situated above ground level

• US Classifications

  • 405 - Hydraulic and earth engineering
  • 138 - Pipes and tubular conduits
  • 193 - Conveyors, chutes, skids, guides, and ways