2231872

Information

• Patent Grant
• 2231872

• References
• Source

• Patent Number

  2,231,872

• Date Filed

  Not available

• Date Issued

  Tuesday, February 18, 1941
  83 years ago

• CPC

  • F22B31/00 - Modifications of boiler construction, or of tube systems, dependent on installation of combustion apparatus Arrangements of dispositions of combustion apparatus
  • F22B21/345 - with a tube bundle between an upper and a lower drum in the convection pass
  • F22B37/201 - Suspension and securing arrangements for walls built-up from tubes

• US Classifications

  • 122 - Liquid heaters and vaporizers