3416276

Information

• Patent Grant
• 3416276

• References
• Source

• Patent Number

  3,416,276

• Date Filed

  Not available

• Date Issued

  Tuesday, December 17, 1968
  56 years ago

• CPC

  • E04B2/16 - using elements having specially-designed means for stabilising the position
  • 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
  • E04B2002/0213 - of round shape

• US Classifications

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