3791155

Information

• Patent Grant
• 3791155

• References
• Source

• Patent Number

  3,791,155

• Date Filed

  Not available

• Date Issued

  Tuesday, February 12, 1974
  51 years ago

• CPC

  • E21F15/06 - Filling-up mechanically

• US Classifications

  • 405 - Hydraulic and earth engineering