2190197

Information

• Patent Grant
• 2190197

• References
• Source

• Patent Number

  2,190,197

• Date Filed

  Not available

• Date Issued

  Tuesday, February 13, 1940
  84 years ago

• CPC

  • F24D19/081 - for steam heating systems
  • Y10T137/3093 - With vaporized liquid stop
  • Y10T137/8275 - Indicator element rigidly carried by the movable element whose position is indicated

• US Classifications

  • 137 - Fluid handling
  • 236 - Automatic temperature and humidity regulation