3921352

Information

• Patent Grant
• 3921352

• References
• Source

• Patent Number

  3,921,352

• Date Filed

  Not available

• Date Issued

  Tuesday, November 25, 1975
  49 years ago

• CPC

  • E04D13/0305 - Supports or connecting means for sky-lights of flat or domed shape
  • E04D3/366 - by closing the space between the slabs or sheets by gutters, bulges, or bridging elements
  • E04D13/03 - Sky-lights Domes Ventilating sky-lights
  • E06B3/6205 - having on at least one lateral side no backing from a separate rigid glazing bead or other stiff part of the window frame
  • E04D13/0445 - Drainage channels
  • E06B2003/6226 - with locking strips
  • E06B2003/6241 - with drainage means
  • E06B2003/6247 - with extra parts sealing against the fixed or another window frame
  • E06B2003/6264 - hollow
  • E06B2003/6273 - reinforced

• US Classifications

  • 052 - Static structures