2490249

Information

• Patent Grant
• 2490249

• References
• Source

• Patent Number

  2,490,249

• Date Filed

  Not available

• Date Issued

  Tuesday, December 6, 1949
  75 years ago

• CPC

  • E05D13/1246 - Spring safety devices
  • E05D13/1253 - with canted-coil torsion springs
  • E05Y2900/148 - Windows
  • Y10T292/0815 - Roller

• US Classifications

  • 049 - Movable or removable closures
  • 292 - Closure fasteners