3792906

Information

• Patent Grant
• 3792906

• References
• Source

• Patent Number

  3,792,906

• Date Filed

  Not available

• Date Issued

  Tuesday, February 19, 1974
  50 years ago

• CPC

  • E21C41/26 - Methods of surface mining Layouts therefor
  • E21C37/14 - by compressed air by gas blast by gasifying liquids

• US Classifications

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