3762771

Information

• Patent Grant
• 3762771

• References
• Source

• Patent Number

  3,762,771

• Date Filed

  Not available

• Date Issued

  Tuesday, October 2, 1973
  51 years ago

• CPC

  • E21B43/263 - using explosives
  • E21C41/24 - for oil-bearing deposits
  • E21C41/31 - for oil-bearing deposits
  • E21C41/32 - Reclamation of surface-mined areas

• US Classifications

  • 299 - Mining or in situ disintegration of hard material