3724131

Information

• Patent Grant
• 3724131

• References
• Source

• Patent Number

  3,724,131

• Date Filed

  Not available

• Date Issued

  Tuesday, April 3, 1973
  52 years ago

• CPC

  • E06B3/5063 - the vertical sliding wings having the possibility of an additional rotational movement
  • E05D13/1207 - with tension springs
  • E06B3/44 - Vertically-sliding wings
  • E05Y2900/148 - Windows
  • E06B2003/4446 - Wood

• US Classifications

  • 049 - Movable or removable closures