2156865

Information

• Patent Grant
• 2156865

• References
• Source

• Patent Number

  2,156,865

• Date Filed

  Not available

• Date Issued

  Tuesday, May 2, 1939
  85 years ago

• CPC

  • F24D19/1003 - for steam heating systems
  • Y10T137/3093 - With vaporized liquid stop
  • Y10T137/7897 - Vacuum relief type

• US Classifications

  • 236 - Automatic temperature and humidity regulation
  • 137 - Fluid handling
  • 237 - Heating systems