3557505

Information

• Patent Grant
• 3557505

• References
• Source

• Patent Number

  3,557,505

• Date Filed

  Not available

• Date Issued

  Tuesday, January 26, 1971
  53 years ago

• CPC

  • E04B2/30 - using elements having specially designed means for stabilising the position Spacers for cavity walls
  • E04B2/36 - using elements having a general shape differing from that of a parallelepiped
  • E04B2002/0232 - Undercut connections

• US Classifications

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