3788253

Information

• Patent Grant
• 3788253

• References
• Source

• Patent Number

  3,788,253

• Date Filed

  Not available

• Date Issued

  Tuesday, January 29, 1974
  50 years ago

• CPC

  • E02D17/12 - Back-filling of foundation trenches or ditches

• US Classifications

  • 112 - Sewing
  • 405 - Hydraulic and earth engineering