3734188

Information

• Patent Grant
• 3734188

• References
• Source

• Patent Number

  3,734,188

• Date Filed

  Not available

• Date Issued

  Tuesday, May 22, 1973
  51 years ago

• CPC

  • C04B22/148 - Aluminium-sulfate
  • E21B33/13 - Methods or devices for cementing, for plugging holes, crevices, or the like
  • E21B33/14 - for cementing casings into boreholes
  • E21B36/00 - Heating, cooling, insulating arrangements for boreholes or wells

• US Classifications

  • 166 - Wells