1840386

Information

• Patent Grant
• 1840386

• References
• Source

• Patent Number

  1,840,386

• Date Filed

  Not available

• Date Issued

  Tuesday, January 12, 1932
  92 years ago

• CPC

  • F22B17/02 - built-up from water-tube sets in abutting connection with two header boxes in common for all sets

• US Classifications

  • 122 - Liquid heaters and vaporizers