3893302

Information

• Patent Grant
• 3893302

• References
• Source

• Patent Number

  3,893,302

• Date Filed

  Not available

• Date Issued

  Tuesday, July 8, 1975
  49 years ago

• CPC

  • E02F5/10 - with arrangements for reinforcing trenches or ditches with arrangements for making or assembling conduits or for laying conduits or cables
  • E02D5/187 - the bulkheads or walls being made continuously
  • E02D17/13 - Foundation slots or slits Implements for making these slots or slits

• US Classifications

  • 405 - Hydraulic and earth engineering
  • 037 - Excavating