51328

Information

• Patent Grant
• 51328

• References
• Source

• Patent Number

  51,328

• Date Filed

  Not available

• Date Issued

  Tuesday, December 5, 1865
  159 years ago

• CPC

  • E01D4/00 - Arch-type bridges
  • E04B1/3205 - Structures with a longitudinal horizontal axis
  • E01D2101/22 - Masonry Bricks
  • E01D2101/24 - Concrete
  • E01D2101/268 - Composite concrete-metal

• US Classifications

  • 052 - Static structures