3780473

Information

• Patent Grant
• 3780473

• References
• Source

• Patent Number

  3,780,473

• Date Filed

  Not available

• Date Issued

  Tuesday, December 25, 1973
  51 years ago

• CPC

  • E06B3/5063 - the vertical sliding wings having the possibility of an additional rotational movement
  • E06B3/26347 - specially adapted for sliding doors or windows
  • E06B3/273 - with prefabricated insulating elements held in position by deformation of portions of the metal frame members
  • E06B3/28 - with additional removable glass panes or the like, framed or unframed
  • E06B3/44 - Vertically-sliding wings
  • E06B2003/4453 - Metal
  • E06B2003/4476 - Coverings
  • Y10S49/01 - Thermal breaks for frames

• US Classifications

  • 049 - Movable or removable closures