3365894

Information

• Patent Grant
• 3365894

• References
• Source

• Patent Number

  3,365,894

• Date Filed

  Not available

• Date Issued

  Tuesday, January 30, 1968
  57 years ago

• CPC

  • E02D19/14 - by freezing the soil

• US Classifications

  • 405 - Hydraulic and earth engineering
  • 062 - Refrigeration