2897552

Information

• Patent Grant
• 2897552

• References
• Source

• Patent Number

  2,897,552

• Date Filed

  Not available

• Date Issued

  Tuesday, August 4, 1959
  65 years ago

• CPC

  • E06B3/4609 - for windows
  • E06B3/922 - with several wings opening horizontally towards the same side of the opening and each closing a separate part of the opening
  • Y10T16/379 - Tracks

• US Classifications

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