3844129

Information

• Patent Grant
• 3844129

• References
• Source

• Patent Number

  3,844,129

• Date Filed

  Not available

• Date Issued

  Tuesday, October 29, 1974
  50 years ago

• CPC

  • F16L1/168 - under ice
  • B63B35/03 - Pipe-laying vessels
  • F16L1/18 - the pipes being S- or J-shaped and under tension during laying
  • B63B2211/06 - Operation in ice-infested waters

• US Classifications

  • 405 - Hydraulic and earth engineering
  • 114 - Ships