1872138

Information

• Patent Grant
• 1872138

• References
• Source

• Patent Number

  1,872,138

• Date Filed

  Not available

• Date Issued

  Tuesday, August 16, 1932
  92 years ago

• CPC

  • F22B33/14 - Combination of low and high pressure boilers
  • F22B31/04 - Heat supply by installation of two or more combustion apparatus

• US Classifications

  • 122 - Liquid heaters and vaporizers