1802421

Information

• Patent Grant
• 1802421

• References
• Source

• Patent Number

  1,802,421

• Date Filed

  Not available

• Date Issued

  Tuesday, April 28, 1931
  93 years ago

• CPC

  • F22B13/065 - Combination of low and high pressure locomotive boilers

• US Classifications

  • 122 - Liquid heaters and vaporizers
  • 105 - Railway rolling stock