3811286

Information

• Patent Grant
• 3811286

• References
• Source

• Patent Number

  3,811,286

• Date Filed

  Not available

• Date Issued

  Tuesday, May 21, 1974
  50 years ago

• CPC

  • E02B7/06 - Earth-fill dams Rock-fill dams

• US Classifications

  • 405 - Hydraulic and earth engineering