433442

Information

• Patent Grant
• 433442

• References
• Source

• Patent Number

  433,442

• Date Filed

  Not available

• Date Issued

  Tuesday, August 5, 1890
  134 years ago

• CPC

  • F22B33/04 - of boilers of furnace-tube type with boilers of water-tube type

• US Classifications

  • 122 - Liquid heaters and vaporizers