3605885

Information

• Patent Grant
• 3605885

• References
• Source

• Patent Number

  3,605,885

• Date Filed

  Not available

• Date Issued

  Monday, September 20, 1971
  53 years ago

• CPC

  • E21B36/025 - the burners being above ground or outside the bore hole

• US Classifications

  • 166 - Wells
  • 122 - Liquid heaters and vaporizers