3417509

Information

• Patent Grant
• 3417509

• References
• Source

• Patent Number

  3,417,509

• Date Filed

  Not available

• Date Issued

  Tuesday, December 24, 1968
  56 years ago

• CPC

  • E06B3/4672 - with the sliding wing flush closing or moving a considerable distance towards the opening when closing
  • E06B5/01 - Trap-doors

• US Classifications

  • 049 - Movable or removable closures