3811661

Information

• Patent Grant
• 3811661

• References
• Source

• Patent Number

  3,811,661

• Date Filed

  Not available

• Date Issued

  Tuesday, May 21, 1974
  50 years ago

• CPC

  • F24F6/04 - using stationary unheated wet elements
  • Y10S261/15 - Duct humidifiers
  • Y10S261/34 - Automatic humidity regulation

• US Classifications

  • 261 - Gas and liquid contact apparatus