1405346

Information

• Patent Grant
• 1405346

• References
• Source

• Patent Number

  1,405,346

• Date Filed

  Not available

• Date Issued

  Tuesday, January 31, 1922
  103 years ago

• CPC

  • F22B9/12 - the fire tubes being in substantially horizontal arrangement
  • F22B37/001 - Steam generators built-up from pre-fabricated elements
  • Y10T29/49387 - Boiler making

• US Classifications

  • 029 - Metal working
  • 184 - Lubrication