1939969

Information

• Patent Grant
• 1939969

• References
• Source

• Patent Number

  1,939,969

• Date Filed

  Not available

• Date Issued

  Tuesday, December 19, 1933
  91 years ago

• CPC

  • E05D13/06 - with notches for vertically sliding wings
  • E05F2700/04 - Devices for blocking sliding windows in general
  • E05Y2900/148 - Windows
  • Y10T16/356 - Ball
  • Y10T292/088 - Spring arm
  • Y10T292/0885 - Roller

• US Classifications

  • 049 - Movable or removable closures
  • 016 - Miscellaneous hardware
  • 292 - Closure fasteners