3871183

Information

• Patent Grant
• 3871183

• References
• Source

• Patent Number

  3,871,183

• Date Filed

  Not available

• Date Issued

  Tuesday, March 18, 1975
  49 years ago

• CPC

  • E21D11/24 - Knuckle joints or links between arch members
  • E21D11/083 - Methods or devices for joining adjacent concrete segments

• US Classifications

  • 405 - Hydraulic and earth engineering
  • 052 - Static structures