2181831

Information

• Patent Grant
• 2181831

• References
• Source

• Patent Number

  2,181,831

• Date Filed

  Not available

• Date Issued

  Tuesday, November 28, 1939
  86 years ago

• CPC

  • E04B1/08 - the elements consisting of metal
  • F16B5/0048 - hinge-like

• US Classifications

  • 052 - Static structures
  • 256 - Fences