3928979

Information

• Patent Grant
• 3928979

• References
• Source

• Patent Number

  3,928,979

• Date Filed

  Not available

• Date Issued

  Tuesday, December 30, 1975
  49 years ago

• CPC

  • E02D3/08 - by inserting stones or lost bodies
  • E02B11/00 - Drainage of soil
  • E02D3/103 - by installing wick drains or sand bags

• US Classifications

  • 405 - Hydraulic and earth engineering