2815656

Information

• Patent Grant
• 2815656

• References
• Source

• Patent Number

  2,815,656

• Date Filed

  Not available

• Date Issued

  Tuesday, December 10, 1957
  67 years ago

• CPC

  • E01F8/0023 - Details
  • E01F8/0029 - with porous surfaces
  • E01F8/0035 - with undulated surfaces
  • E04B1/0007 - Base structures; Cellars
  • E04B2/40 - the walls being characterised by fillings in all cavities in order to form a wall construction

• US Classifications

  • 052 - Static structures