427389

Information

• Patent Grant
• 427389

• References
• Source

• Patent Number

  427,389

• Date Filed

  Not available

• Date Issued

  Tuesday, May 6, 1890
  134 years ago

• CPC

  • E05F11/00 - Man-operated mechanisms for operating wings, including those which also operate the fastening
  • Y10T16/645 - Rack and pinion
  • Y10T16/73 - Sash weights

• US Classifications

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