3010257

Information

• Patent Grant
• 3010257

• References
• Source

• Patent Number

  3,010,257

• Date Filed

  Not available

• Date Issued

  Tuesday, November 28, 1961
  63 years ago

• CPC

  • E04C3/10 - prestressed
  • E01D2/02 - of the I-girder type
  • E01D2101/26 - reinforced
  • E01D2101/32 - prestressed
  • E04C2003/0413 - being built up from several parts
  • E04C2003/0434 - the open cross-section free of enclosed cavities
  • E04C2003/0452 - H- or I-shaped

• US Classifications

  • 052 - Static structures
  • 014 - Bridges