3478527

Information

• Patent Grant
• 3478527

• References
• Source

• Patent Number

  3,478,527

• Date Filed

  Not available

• Date Issued

  Tuesday, November 18, 1969
  55 years ago

• CPC

  • E02F9/065 - characterised by the use of lines with anchors and winches
  • E02F5/104 - for burying conduits or cables in trenches under water
  • E02F5/106 - using ploughs, coulters, rippers
  • E02F5/125 - underwater
  • F16L1/202 - fixed on or to vessels

• US Classifications

  • 405 - Hydraulic and earth engineering