3917529

Information

• Patent Grant
• 3917529

• References
• Source

• Patent Number

  3,917,529

• Date Filed

  Not available

• Date Issued

  Tuesday, November 4, 1975
  49 years ago

• CPC

  • E21C45/00 - Methods of hydraulic mining Hydraulic monitors
  • C02F1/54 - using organic material

• US Classifications

  • 210 - Liquid purification or separation
  • 299 - Mining or in situ disintegration of hard material