2019874

Information

• Patent Grant
• 2019874

• References
• Source

• Patent Number

  2,019,874

• Date Filed

  Not available

• Date Issued

  Tuesday, November 5, 1935
  89 years ago

• CPC

  • F24D19/0082 - Humidifiers for radiators
  • Y10T137/7816 - Valve head in inlet chamber
  • Y10T137/88054 - Direct response normally closed valve limits direction of flow

• US Classifications

  • 237 - Heating systems
  • 137 - Fluid handling