3859798

Information

• Patent Grant
• 3859798

• References
• Source

• Patent Number

  3,859,798

• Date Filed

  Not available

• Date Issued

  Tuesday, January 14, 1975
  50 years ago

• CPC

  • E02D13/04 - Guide devices Guide frames
  • E02B11/00 - Drainage of soil
  • E02D3/103 - by installing wick drains or sand bags

• US Classifications

  • 405 - Hydraulic and earth engineering