1751806

Information

• Patent Grant
• 1751806

• References
• Source

• Patent Number

  1,751,806

• Date Filed

  Not available

• Date Issued

  Tuesday, March 25, 1930
  94 years ago

• CPC

  • F24F3/044 - Systems in which all treatment is given in the central station
  • Y10S261/34 - Automatic humidity regulation
  • Y10S454/904 - Magnetic means to hold a damper closed

• US Classifications

  • 236 - Automatic temperature and humidity regulation
  • 165 - Heat exchange
  • 261 - Gas and liquid contact apparatus
  • 454 - Ventilation