3646768

Information

• Patent Grant
• 3646768

• References
• Source

• Patent Number

  3,646,768

• Date Filed

  Not available

• Date Issued

  Tuesday, March 7, 1972
  52 years ago

• CPC

  • E21D23/0409 - Aligning or guiding means for the supports or for the constitutive parts of the supports
  • E21D23/0418 - Positioning devices and stabilizing means for the props

• US Classifications

  • 405 - Hydraulic and earth engineering
  • 248 - Supports