497211

Information

• Patent Grant
• 497211

• References
• Source

• Patent Number

  497,211

• Date Filed

  Not available

• Date Issued

  Tuesday, May 9, 1893
  131 years ago

• CPC

  • E05F1/043 - with cams, helical tracks
  • Y10T16/539 - Gravitating hinge having vertical axis

• US Classifications

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