3227214

Information

• Patent Grant
• 3227214

• References
• Source

• Patent Number

  3,227,214

• Date Filed

  Not available

• Date Issued

  Tuesday, January 4, 1966
  59 years ago

• CPC

  • E21B31/1075 - using explosives
  • E21B47/09 - Locating or determining the position of objects in boreholes or wells

• US Classifications

  • 166 - Wells
  • 175 - Boring or penetrating the earth