3918233

Information

• Patent Grant
• 3918233

• References
• Source

• Patent Number

  3,918,233

• Date Filed

  Not available

• Date Issued

  Tuesday, November 11, 1975
  49 years ago

• CPC

  • E04D3/358 - with at least one of the layers being offset with respect to another layer
  • E04B7/105 - Grid-like structures
  • E04D3/352 - at least one insulating layer being located between non-insulating layers
  • E04D3/3601 - of roof covering supported by the roof structure with interposition of a insulating layer
  • E04D3/363 - with snap action
  • E04D3/38 - Devices for sealing spaces or joints between roof-covering elements
  • Y10S52/04 - Magnetic connecting means for building components

• US Classifications

  • 052 - Static structures