1850822

Information

• Patent Grant
• 1850822

• References
• Source

• Patent Number

  1,850,822

• Date Filed

  Not available

• Date Issued

  Tuesday, March 22, 1932
  92 years ago

• CPC

  • F24F13/06 - Outlets for directing or distributing air into rooms or spaces
  • F28D1/024 - with an air driving element
  • Y10S165/099 - with fan

• US Classifications

  • 165 - Heat exchange
  • 126 - Stoves and furnaces
  • 454 - Ventilation