2257524

Information

• Patent Grant
• 2257524

• References
• Source

• Patent Number

  2,257,524

• Date Filed

  Not available

• Date Issued

  Tuesday, September 30, 1941
  83 years ago

• CPC

  • F24J2/244 - the tubular conduits are not fixed to heat absorbing plates and are not touching each other
  • Y02E10/44 - Heat exchange systems

• US Classifications

  • 126 - Stoves and furnaces
  • 138 - Pipes and tubular conduits