2670505

Information

• Patent Grant
• 2670505

• References
• Source

• Patent Number

  2,670,505

• Date Filed

  Not available

• Date Issued

  Tuesday, March 2, 1954
  70 years ago

• CPC

  • E05D13/06 - with notches for vertically sliding wings
  • E05F11/48 - operated by cords or chains or other flexible elongated pulling elements
  • E05F2700/02 - Devices for moving and locking sliding windows
  • E05Y2900/148 - Windows
  • Y10T16/6298 - Sash balances
  • Y10T16/714 - Multiple wheel

• US Classifications

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