2792704

Information

• Patent Grant
• 2792704

• References
• Source

• Patent Number

  2,792,704

• Date Filed

  Not available

• Date Issued

  Tuesday, May 21, 1957
  67 years ago

• CPC

  • 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