3192857

Information

• Patent Grant
• 3192857

• References
• Source

• Patent Number

  3,192,857

• Date Filed

  Not available

• Date Issued

  Tuesday, July 6, 1965
  59 years ago

• CPC

  • E21B29/02 - by explosives or by thermal or chemical means
  • Y10S30/04 - Explosive

• US Classifications

  • 175 - Boring or penetrating the earth
  • 030 - Cutlery