3872836

Information

• Patent Grant
• 3872836

• References
• Source

• Patent Number

  3,872,836

• Date Filed

  Not available

• Date Issued

  Tuesday, March 25, 1975
  49 years ago

• CPC

  • F22B37/62 - specially adapted for steam boilers of forced-flow type
  • F22B29/062 - involving vertically-disposed water tubes
  • F22B31/08 - Installation of heat-exchange apparatus or of means in boilers for heating air supplied for combustion

• US Classifications

  • 122 - Liquid heaters and vaporizers