3505826

Information

• Patent Grant
• 3505826

• References
• Source

• Patent Number

  3,505,826

• Date Filed

  Not available

• Date Issued

  Tuesday, April 14, 1970
  54 years ago

• CPC

  • E02F5/108 - using suction-effect devices
  • E02F5/104 - for burying conduits or cables in trenches under water
  • E02F5/107 - using blowing-effect devices
  • E02F5/125 - underwater
  • F16L1/028 - in the ground

• US Classifications

  • 405 - Hydraulic and earth engineering
  • 037 - Excavating