3914916

Information

• Patent Grant
• 3914916

• References
• Source

• Patent Number

  3,914,916

• Date Filed

  Not available

• Date Issued

  Tuesday, October 28, 1975
  49 years ago

• CPC

  • E04D13/1618 - with means for fixing the insulating material between the roof covering and the upper surface of the roof purlins or rafters
  • E04B7/22 - the slabs having insulating properties
  • E04D3/3601 - of roof covering supported by the roof structure with interposition of a insulating layer
  • E04D5/142 - along the edge of the flexible material
  • E04D5/145 - Discrete fastening means
  • E04D5/147 - not perforating the flexible material

• US Classifications

  • 052 - Static structures