3678760

Information

• Patent Grant
• 3678760

• References
• Source

• Patent Number

  3,678,760

• Date Filed

  Not available

• Date Issued

  Tuesday, July 25, 1972
  52 years ago

• CPC

  • E21B47/00 - Survey of boreholes or wells
  • G01N9/20 - by balancing the weight of the bodies

• US Classifications

  • 073 - Measuring and testing