3131914

Information

• Patent Grant
• 3131914

• References
• Source

• Patent Number

  3,131,914

• Date Filed

  Not available

• Date Issued

  Tuesday, May 5, 1964
  61 years ago

• CPC

  • E21B36/02 - using burners
  • E21B43/285 - Melting minerals

• US Classifications

  • 299 - Mining or in situ disintegration of hard material