1413469

Information

• Patent Grant
• 1413469

• References
• Source

• Patent Number

  1,413,469

• Date Filed

  Not available

• Date Issued

  Tuesday, April 18, 1922
  102 years ago

• CPC

  • F23L13/08 - operating as a roller blind operating as a venetian blind

• US Classifications

  • 126 - Stoves and furnaces
  • 049 - Movable or removable closures
  • 454 - Ventilation