3751865

Information

• Patent Grant
• 3751865

• References
• Source

• Patent Number

  3,751,865

• Date Filed

  Not available

• Date Issued

  Tuesday, August 14, 1973
  51 years ago

• CPC

  • E04B1/34326 - mainly constituted by longitudinal elements
  • E04B1/6116 - by locking means on lateral surfaces
  • E04B1/6158 - the connection made by formlocking
  • E04B1/6175 - with two or more protrusions on each frontal surface

• US Classifications

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