3910636

Information

• Patent Grant
• 3910636

• References
• Source

• Patent Number

  3,910,636

• Date Filed

  Not available

• Date Issued

  Tuesday, October 7, 1975
  49 years ago

• CPC

  • E21C41/20 - for rock salt or potash salt
  • E21B43/28 - Dissolving minerals other than hydrocarbons

• US Classifications

  • 299 - Mining or in situ disintegration of hard material
  • 423 - Chemistry of inorganic compounds