3864885

Information

• Patent Grant
• 3864885

• References
• Source

• Patent Number

  3,864,885

• Date Filed

  Not available

• Date Issued

  Tuesday, February 11, 1975
  50 years ago

• CPC

  • E04F13/0835 - the fastening elements extending into the back side of the covering elements
  • E04B2/44 - using elements having specially-designed means for stabilising the position Spacers for cavity walls
  • E04B2/52 - the walls being characterised by fillings in some of the cavities forming load-bearing pillars or beams
  • E04F13/002 - made of webs
  • E06B9/52 - Devices affording protection against insects
  • E04B2002/0243 - Separate connectors or inserts
  • E04B2002/025 - U-shaped
  • F16B19/004 - made in one piece
  • Y10S52/02 - Masonry lattice or openwork

• US Classifications

  • 052 - Static structures