3793844

Information

• Patent Grant
• 3793844

• References
• Source

• Patent Number

  3,793,844

• Date Filed

  Not available

• Date Issued

  Tuesday, February 26, 1974
  50 years ago

• CPC

  • E02D15/04 - Placing concrete in mould-pipes, pile tubes, bore-holes or narrow shafts
  • E02D3/103 - by installing wick drains or sand bags
  • E02D3/106 - by forming sand drains containing only loose aggregates
  • E02D5/385 - with removal of the outer mould-pipes
  • E02D5/44 - with enlarged footing or enlargements at the bottom of the pile

• US Classifications

  • 405 - Hydraulic and earth engineering