1448598

Information

• Patent Grant
• 1448598

• References
• Source

• Patent Number

  1,448,598

• Date Filed

  Not available

• Date Issued

  Tuesday, March 13, 1923
  101 years ago

• CPC

  • F23L13/00 - Construction of valves or dampers for controlling air supply or draught
  • F23L13/08 - operating as a roller blind operating as a venetian blind

• US Classifications

  • 126 - Stoves and furnaces
  • 454 - Ventilation