3804177

Information

• Patent Grant
• 3804177

• References
• Source

• Patent Number

  3,804,177

• Date Filed

  Not available

• Date Issued

  Tuesday, April 16, 1974
  50 years ago

• CPC

  • E02F5/285 - with drag buckets or scraper plates
  • E02F9/06 - Floating substructures as supports
  • Y10S210/923 - using mechanical means

• US Classifications

  • 172 - Earth working
  • 037 - Excavating
  • 114 - Ships
  • 210 - Liquid purification or separation
  • 405 - Hydraulic and earth engineering