3157119

Information

• Patent Grant
• 3157119

• References
• Source

• Patent Number

  3,157,119

• Date Filed

  Not available

• Date Issued

  Tuesday, November 17, 1964
  60 years ago

• CPC

  • E21B43/11855 - mechanically actuated
  • E21B31/1075 - using explosives

• US Classifications

  • 102 - Ammunition and explosives
  • 166 - Wells
  • 175 - Boring or penetrating the earth