3435807

Information

• Patent Grant
• 3435807

• References
• Source

• Patent Number

  3,435,807

• Date Filed

  Not available

• Date Issued

  Tuesday, April 1, 1969
  55 years ago

• CPC

  • F24H1/282 - with flue gas passages built-up by coaxial water mantles
  • F22B33/10 - of two or more superposed boilers with separate water volumes and operating with two or more separate water levels

• US Classifications

  • 122 - Liquid heaters and vaporizers