3413813

Information

• Patent Grant
• 3413813

• References
• Source

• Patent Number

  3,413,813

• Date Filed

  Not available

• Date Issued

  Tuesday, December 3, 1968
  56 years ago

• CPC

  • E21D11/183 - Supporting means for arch members, not provided for in E21D11/22
  • Y10T403/553 - Laterally inserted section
  • Y10T403/7043 - Interfitted angle or channel bars

• US Classifications

  • 405 - Hydraulic and earth engineering
  • 248 - Supports
  • 403 - Joints and connections