2852933

Information

• Patent Grant
• 2852933

• References
• Source

• Patent Number

  2,852,933

• Date Filed

  Not available

• Date Issued

  Tuesday, September 23, 1958
  66 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
  • E04B2002/0289 - Building elements with holes filled with insulating material
  • Y10T428/24744 - Longitudinal or transverse tubular cavity or cell
  • Y10T428/31678 - Of metal

• US Classifications

  • 052 - Static structures
  • 428 - Stock material or miscellaneous articles