2196889

Information

• Patent Grant
• 2196889

• References
• Source

• Patent Number

  2,196,889

• Date Filed

  Not available

• Date Issued

  Tuesday, April 9, 1940
  85 years ago

• CPC

  • F22B37/141 - involving vertically-disposed water tubes
  • F22B31/00 - Modifications of boiler construction, or of tube systems, dependent on installation of combustion apparatus Arrangements of dispositions of combustion apparatus

• US Classifications

  • 122 - Liquid heaters and vaporizers