3499293

Information

• Patent Grant
• 3499293

• References
• Source

• Patent Number

  3,499,293

• Date Filed

  Not available

• Date Issued

  Tuesday, March 10, 1970
  55 years ago

• CPC

  • E02D5/18 - Bulkheads or similar walls made solely of concrete in situ
  • E02D5/182 - using formworks to separate sections
  • E02D5/385 - with removal of the outer mould-pipes
  • E02F5/02 - for digging trenches or ditches

• US Classifications

  • 405 - Hydraulic and earth engineering
  • 173 - Tool driving or impacting
  • 175 - Boring or penetrating the earth