3924896

Information

• Patent Grant
• 3924896

• References
• Source

• Patent Number

  3,924,896

• Date Filed

  Not available

• Date Issued

  Tuesday, December 9, 1975
  49 years ago

• CPC

  • E02F5/109 - using rotating digging elements
  • E02F5/08 - with digging wheels turning round an axis
  • E02F5/104 - for burying conduits or cables in trenches under water
  • F16L1/168 - under ice

• US Classifications

  • 299 - Mining or in situ disintegration of hard material
  • 037 - Excavating
  • 114 - Ships
  • 180 - Motor vehicles
  • 405 - Hydraulic and earth engineering