3168815

Information

• Patent Grant
• 3168815

• References
• Source

• Patent Number

  3,168,815

• Date Filed

  Not available

• Date Issued

  Tuesday, February 9, 1965
  59 years ago

• CPC

  • E21D11/20 - Special cross- sections
  • Y10T403/7043 - Interfitted angle or channel bars

• US Classifications

  • 405 - Hydraulic and earth engineering
  • 052 - Static structures
  • 403 - Joints and connections