1412686

Information

• Patent Grant
• 1412686

• References
• Source

• Patent Number

  1,412,686

• Date Filed

  Not available

• Date Issued

  Tuesday, April 11, 1922
  102 years ago

• CPC

  • E04B2/36 - using elements having a general shape differing from that of a parallelepiped
  • E04B2/28 - Walls having cavities between, but not in, the elements Walls of elements each consisting of two or more parts kept in distance by means of spacers, all parts being solid
  • E04B2002/0297 - of which the width is less than the wall thickness

• US Classifications

  • 052 - Static structures