2428976

Information

• Patent Grant
• 2428976

• References
• Source

• Patent Number

  2,428,976

• Date Filed

  Not available

• Date Issued

  Tuesday, October 14, 1947
  77 years ago

• CPC

  • E05D13/10 - Counterbalance devices
  • E05Y2900/148 - Windows
  • Y10T16/635 - Sash and cord

• US Classifications

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