3799613

Information

• Patent Grant
• 3799613

• References
• Source

• Patent Number

  3,799,613

• Date Filed

  Not available

• Date Issued

  Tuesday, March 26, 1974
  50 years ago

• CPC

  • E21C47/00 - Machines for obtaining or the removal of materials in open-pit mines
  • E21C41/31 - for oil-bearing deposits
  • E21C41/32 - Reclamation of surface-mined areas

• US Classifications

  • 299 - Mining or in situ disintegration of hard material
  • 405 - Hydraulic and earth engineering