3894428

Information

• Patent Grant
• 3894428

• References
• Source

• Patent Number

  3,894,428

• Date Filed

  Not available

• Date Issued

  Tuesday, July 15, 1975
  49 years ago

• CPC

  • G01V9/00 - Prospecting or detecting by methods not provided for in groups G01V1/00 - G01V8/00
  • E02D1/08 - after finishing the foundation structure
  • G01B7/18 - using change in resistance
  • G01B2210/66 - Rock or ground anchors having deformation measuring means

• US Classifications

  • 073 - Measuring and testing