3779021

Information

• Patent Grant
• 3779021

• References
• Source

• Patent Number

  3,779,021

• Date Filed

  Not available

• Date Issued

  Tuesday, December 18, 1973
  51 years ago

• CPC

  • E02D29/0275 - cast in situ
  • E01F5/005 - Culverts ; Head-structures for culverts, or for drainage-conduit outlets in slopes
  • E02D27/46 - Foundations for supply conduits or other canals

• US Classifications

  • 405 - Hydraulic and earth engineering
  • 248 - Supports
  • 249 - Static molds