3827203

Information

• Patent Grant
• 3827203

• References
• Source

• Patent Number

  3,827,203

• Date Filed

  Not available

• Date Issued

  Tuesday, August 6, 1974
  50 years ago

• CPC

  • E04C2/284 - at least one of the materials being insulating
  • E04B1/14 - the elements being composed of two or more materials
  • E04B1/6145 - with recesses in both frontal surfaces co-operating with an additional connecting element
  • E04B1/6158 - the connection made by formlocking
  • E04B1/6162 - the connection made by an additional locking key
  • E04B1/6187 - by means on top and/or bottom surfaces of the slabs
  • E04B2/60 - characterised by special cross-section of the elongated members
  • F16B5/002 - both sheets, plates or panels having a groove

• US Classifications

  • 052 - Static structures