2157774

Information

• Patent Grant
• 2157774

• References
• Source

• Patent Number

  2,157,774

• Date Filed

  Not available

• Date Issued

  Tuesday, May 9, 1939
  85 years ago

• CPC

  • F22D1/42 - specially adapted for locomotives
  • Y10T137/2703 - Flow rate responsive

• US Classifications

  • 122 - Liquid heaters and vaporizers
  • 137 - Fluid handling