2459028

Information

• Patent Grant
• 2459028

• References
• Source

• Patent Number

  2,459,028

• Date Filed

  Not available

• Date Issued

  Tuesday, January 11, 1949
  75 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
  • E04B2002/0295 - of which the width is equal to the wall thickness

• US Classifications

  • 052 - Static structures
  • D25 - Building units and construction elements