211288

Information

• Patent Grant
• 211288

• References
• Source

• Patent Number

  211,288

• Date Filed

  Not available

• Date Issued

  Tuesday, January 7, 1879
  146 years ago

• CPC

  • G08B13/08 - by opening
  • Y10T16/73 - Sash weights

• US Classifications

  • 116 - Signals and indicators
  • 016 - Miscellaneous hardware