3913292

Information

• Patent Grant
• 3913292

• References
• Source

• Patent Number

  3,913,292

• Date Filed

  Not available

• Date Issued

  Tuesday, October 21, 1975
  49 years ago

• CPC

  • E04B2/7411 - Details for fire protection
  • E04B1/6104 - the overlapping ends of the slabs connected together
  • E04B2/7403 - with special measures for sound or thermal insulation including fire protection
  • E04B2/825 - the connection between the floor and the ceiling being achieved without any restraining forces acting in the plane of the partition
  • E04B9/04 - comprising slabs, panels, sheets or the like
  • E04C2/292 - composed of insulating material and sheet metal

• US Classifications

  • 052 - Static structures