2181726

Information

• Patent Grant
• 2181726

• References
• Source

• Patent Number

  2,181,726

• Date Filed

  Not available

• Date Issued

  Tuesday, November 28, 1939
  85 years ago

• CPC

  • F24D3/04 - with the water under high pressure

• US Classifications

  • 237 - Heating systems
  • 122 - Liquid heaters and vaporizers
  • 165 - Heat exchange
  • 236 - Automatic temperature and humidity regulation