3393524

Information

• Patent Grant
• 3393524

• References
• Source

• Patent Number

  3,393,524

• Date Filed

  Not available

• Date Issued

  Tuesday, July 23, 1968
  56 years ago

• CPC

  • F16L1/161 - the pipe being composed of sections of short length
  • B63C11/44 - of open type
  • E02F3/8858 - Submerged units
  • E02F5/105 - self-propulsed units moving on the underwater bottom
  • E02F5/107 - using blowing-effect devices
  • E02F9/045 - for moving on the underwater bottom

• US Classifications

  • 405 - Hydraulic and earth engineering
  • 037 - Excavating
  • 192 - Clutches and power-stop control