3520568

Information

• Patent Grant
• 3520568

• References
• Source

• Patent Number

  3,520,568

• Date Filed

  Not available

• Date Issued

  Tuesday, July 14, 1970
  54 years ago

• CPC

  • E05B53/001 - Foot-operation
  • D06F37/28 - Doors Security means therefor
  • E05B17/0033 - for opening only
  • E05C19/063 - Released by pull or pressure on the wing
  • Y10T292/19 - Foot operated
  • Y10T292/68 - Keepers

• US Classifications

  • 292 - Closure fasteners