2122228

Information

• Patent Grant
• 2122228

• References
• Source

• Patent Number

  2,122,228

• Date Filed

  Not available

• Date Issued

  Tuesday, June 28, 1938
  86 years ago

• CPC

  • F24H1/282 - with flue gas passages built-up by coaxial water mantles

• US Classifications

  • 165 - Heat exchange