3186179

Information

• Patent Grant
• 3186179

• References
• Source

• Patent Number

  3,186,179

• Date Filed

  Not available

• Date Issued

  Tuesday, June 1, 1965
  59 years ago

• CPC

  • E21D23/0418 - Positioning devices and stabilizing means for the props
  • E21D23/06 - Special mine caps or special tops of pit-props for permitting step-by-step movement
  • E21D23/082 - acting solely on the elements of the supports

• US Classifications

  • 405 - Hydraulic and earth engineering