3906571

Information

• Patent Grant
• 3906571

• References
• Source

• Patent Number

  3,906,571

• Date Filed

  Not available

• Date Issued

  Tuesday, September 23, 1975
  49 years ago

• CPC

  • E04C2/34 - composed of two or more spaced sheet-like parts
  • E01D1/00 - Bridges in general
  • E04C2/32 - formed of corrugated or otherwise indented sheet-like material composed of such layers with or without layers of flat sheet-like material
  • E01D2101/00 - Material constitution of bridges
  • E01D2101/26 - reinforced
  • E01D2101/34 - non-ferrous
  • E01D2101/40 - Plastics
  • Y10T428/24661 - Forming, or cooperating to form cells

• US Classifications

  • 014 - Bridges
  • 052 - Static structures
  • 428 - Stock material or miscellaneous articles