3722157

Information

• Patent Grant
• 3722157

• References
• Source

• Patent Number

  3,722,157

• Date Filed

  Not available

• Date Issued

  Tuesday, March 27, 1973
  51 years ago

• CPC

  • E04B2/825 - the connection between the floor and the ceiling being achieved without any restraining forces acting in the plane of the partition
  • E06B1/6023 - completely hidden between the frame and the border of the opening, at least part of the means being previously fixed to the wall

• US Classifications

  • 052 - Static structures