1416709

Information

• Patent Grant
• 1416709

• References
• Source

• Patent Number

  1,416,709

• Date Filed

  Not available

• Date Issued

  Tuesday, May 23, 1922
  102 years ago

• CPC

  • E04B2/38 - the walls being characterised by fillings in some of the cavities forming load-bearing pillars or beams
  • E04B2002/0254 - Tie rods

• US Classifications

  • 052 - Static structures