2251589

Information

• Patent Grant
• 2251589

• References
• Source

• Patent Number

  2,251,589

• Date Filed

  Not available

• Date Issued

  Tuesday, August 5, 1941
  83 years ago

• CPC

  • F24H1/32 - with vertical sections arranged side by side
  • F22B13/005 - with flues, other than fire tubes

• US Classifications

  • 122 - Liquid heaters and vaporizers