3228309

Information

• Patent Grant
• 3228309

• References
• Source

• Patent Number

  3,228,309

• Date Filed

  Not available

• Date Issued

  Tuesday, January 11, 1966
  58 years ago

• CPC

  • E04G21/12 - Mounting of reinforcing inserts Prestressing
  • E01C5/10 - Prestressed reinforced units; Prestressed coverings from reinforced or non-reinforced units

• US Classifications

  • 404 - Road structure, process, or apparatus
  • 052 - Static structures
  • D05 - Textile or paper yard goods