3395542

Information

• Patent Grant
• 3395542

• References
• Source

• Patent Number

  3,395,542

• Date Filed

  Not available

• Date Issued

  Tuesday, August 6, 1968
  56 years ago

• CPC

  • E21D11/18 - Arch members; Network made of arch members ; Ring elements; Polygon elements; Polygon elements inside arches
  • E21D11/22 - Clamps or other yieldable means for interconnecting adjacent arch members either rigidly, or allowing arch member parts to slide when subjected to excessive pressure
  • 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