3748861

Information

• Patent Grant
• 3748861

• References
• Source

• Patent Number

  3,748,861

• Date Filed

  Not available

• Date Issued

  Tuesday, July 31, 1973
  51 years ago

• CPC

  • E21D23/0436 - Means for inclining the base member of the support

• US Classifications

  • 405 - Hydraulic and earth engineering
  • 248 - Supports