508573

Information

• Patent Grant
• 508573

• References
• Source

• Patent Number

  508,573

• Date Filed

  Not available

• Date Issued

  Tuesday, November 14, 1893
  131 years ago

• CPC

  • E05F1/043 - with cams, helical tracks
  • Y10T16/5395 - having plural spaced hinge axes
  • Y10T292/19 - Foot operated

• US Classifications

  • 049 - Movable or removable closures
  • 016 - Miscellaneous hardware
  • 256 - Fences
  • 292 - Closure fasteners