2149438

Information

• Patent Grant
• 2149438

• References
• Source

• Patent Number

  2,149,438

• Date Filed

  Not available

• Date Issued

  Tuesday, March 7, 1939
  85 years ago

• CPC

  • F22B31/04 - Heat supply by installation of two or more combustion apparatus
  • F22B1/126 - Steam generators of the Schmidt-Hartmann type
  • F22B21/083 - involving an upper drum and a lower drum and a fire-place between the two drums

• US Classifications

  • 122 - Liquid heaters and vaporizers