3541731

Information

• Patent Grant
• 3541731

• References
• Source

• Patent Number

  3,541,731

• Date Filed

  Not available

• Date Issued

  Tuesday, November 24, 1970
  54 years ago

• CPC

  • E06B3/44 - Vertically-sliding wings
  • E05D13/12 - with springs
  • E05D13/14 - with weights
  • E05D15/06 - for wings sliding horizontally more or less in their own plane
  • E05D15/16 - for wings sliding vertically more or less in their own plane
  • E05Y2900/132 - Doors
  • E05Y2900/20 - for furnitures
  • E06B3/4407 - Single-hung
  • E06B3/443 - specially adapted for furniture

• US Classifications

  • 049 - Movable or removable closures