3852971

Information

• Patent Grant
• 3852971

• References
• Source

• Patent Number

  3,852,971

• Date Filed

  Not available

• Date Issued

  Tuesday, December 10, 1974
  50 years ago

• CPC

  • E02D5/665 - for making piles
  • E02D5/62 - Compacting the soil at the footing or in or along a casing by forcing cement or like material through tubes
  • E02D7/24 - Placing by using fluid jets

• US Classifications

  • 405 - Hydraulic and earth engineering