3561179

Information

• Patent Grant
• 3561179

• References
• Source

• Patent Number

  3,561,179

• Date Filed

  Not available

• Date Issued

  Tuesday, February 9, 1971
  53 years ago

• CPC

  • E01D2/04 - of the box-girder type
  • B28B23/22 - assembled from preformed parts
  • E04C3/22 - built-up by elements jointed in line

• US Classifications

  • 052 - Static structures