1417399

Information

• Patent Grant
• 1417399

• References
• Source

• Patent Number

  1,417,399

• Date Filed

  Not available

• Date Issued

  Tuesday, May 23, 1922
  102 years ago

• CPC

  • E04B2/42 - Walls having cavities between, as well as in, the elements Walls of elements each consisting of two or more parts, kept in distance by means of spacers, at least one of the parts having cavities
  • E04B2/50 - using elements having a general shape differing from that of a parallelepiped
  • E04B2/54 - the walls being characterised by fillings in all cavities in order to form a wall construction
  • E04B2002/0295 - of which the width is equal to the wall thickness

• US Classifications

  • 052 - Static structures