3894401

Information

• Patent Grant
• 3894401

• References
• Source

• Patent Number

  3,894,401

• Date Filed

  Not available

• Date Issued

  Tuesday, July 15, 1975
  49 years ago

• CPC

  • E02D3/046 - by tamping or vibrating
  • E02F5/125 - underwater

• US Classifications

  • 405 - Hydraulic and earth engineering