3210901

Information

• Patent Grant
• 3210901

• References
• Source

• Patent Number

  3,210,901

• Date Filed

  Not available

• Date Issued

  Tuesday, October 12, 1965
  59 years ago

• CPC

  • E04D13/16 - Insulating devices or arrangements in so far as the roof covering is concerned
  • E04D3/35 - Roofing slabs or stiff sheets comprising two or more layers
  • E04D3/352 - at least one insulating layer being located between non-insulating layers
  • E04D3/354 - more than one of the layers being composed of insulating material
  • E04D3/357 - comprising hollow cavities
  • E04D11/00 - Roof covering, as far as not restricted to features covered by only one of groups E04D1/00 - E04D9/00 Roof covering in ways not provided for by groups E04D1/00 - E04D9/00
  • E04F13/0841 - the fastening elements engaging the outer surface of the covering elements, not extending through the covering

• US Classifications

  • 052 - Static structures