3548485

Information

• Patent Grant
• 3548485

• References
• Source

• Patent Number

  3,548,485

• Date Filed

  Not available

• Date Issued

  Tuesday, December 22, 1970
  54 years ago

• CPC

  • B28B23/22 - assembled from preformed parts
  • E01D2/04 - of the box-girder type
  • E04C3/22 - built-up by elements jointed in line
  • Y10T29/49874 - Prestressing rod, filament or strand

• US Classifications

  • 029 - Metal working