1940750

Information

• Patent Grant
• 1940750

• References
• Source

• Patent Number

  1,940,750

• Date Filed

  Not available

• Date Issued

  Tuesday, December 26, 1933
  91 years ago

• CPC

  • E05D13/1269 - Spring safety devices
  • E05D13/06 - with notches for vertically sliding wings
  • E05Y2900/148 - Windows
  • Y10T16/644 - Rack and pinion

• US Classifications

  • 016 - Miscellaneous hardware
  • 049 - Movable or removable closures