423170

Information

• Patent Grant
• 423170

• References
• Source

• Patent Number

  423,170

• Date Filed

  Not available

• Date Issued

  Tuesday, March 11, 1890
  135 years ago

• CPC

  • F23M3/00 - Firebridges
  • Y10S122/06 - Damper-directed radiation

• US Classifications

  • 110 - Furnaces
  • 122 - Liquid heaters and vaporizers